Home / 1,404,643.20-2,107,256.40-458,085.30

Finding the Fourth Proportional to 1,404,643.20, 2,107,256.40 and 458,085.30

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Solution

The fourth proportional to 1,404,643.20, 2,107,256.40 and 458,085.30 is: 687,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,643.20 : 2,107,256.40 = 458,085.30 : x
  2. Step 2: Convert to fraction form
    1,404,643.20/2,107,256.40 = 458,085.30/x
  3. Step 3: Cross multiply
    1,404,643.20x = 2,107,256.40 × 458,085.30
  4. Step 4: Simplify right side
    1,404,643.20x = 965,303,180,170.92
  5. Step 5: Solve for x
    x = 965,303,180,170.92/1,404,643.20
  6. Step 6: Final answer
    x = 687,223.05

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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.