Home / 1,145,765.20-1,718,210.40-346,781.20

Finding the Fourth Proportional to 1,145,765.20, 1,718,210.40 and 346,781.20

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Solution

The fourth proportional to 1,145,765.20, 1,718,210.40 and 346,781.20 is: 520,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,765.20 : 1,718,210.40 = 346,781.20 : x
  2. Step 2: Convert to fraction form
    1,145,765.20/1,718,210.40 = 346,781.20/x
  3. Step 3: Cross multiply
    1,145,765.20x = 1,718,210.40 × 346,781.20
  4. Step 4: Simplify right side
    1,145,765.20x = 595,843,064,364.48
  5. Step 5: Solve for x
    x = 595,843,064,364.48/1,145,765.20
  6. Step 6: Final answer
    x = 520,039.42

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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.