Home / 1,575,574.20-2,363,361.30-438,334.20

Finding the Fourth Proportional to 1,575,574.20, 2,363,361.30 and 438,334.20

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Solution

The fourth proportional to 1,575,574.20, 2,363,361.30 and 438,334.20 is: 657,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,574.20 : 2,363,361.30 = 438,334.20 : x
  2. Step 2: Convert to fraction form
    1,575,574.20/2,363,361.30 = 438,334.20/x
  3. Step 3: Cross multiply
    1,575,574.20x = 2,363,361.30 × 438,334.20
  4. Step 4: Simplify right side
    1,575,574.20x = 1,035,942,084,746.46
  5. Step 5: Solve for x
    x = 1,035,942,084,746.46/1,575,574.20
  6. Step 6: Final answer
    x = 657,501.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.