Home / 1,151,491.40-1,726,718.70-520,080.20

Finding the Fourth Proportional to 1,151,491.40, 1,726,718.70 and 520,080.20

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Solution

The fourth proportional to 1,151,491.40, 1,726,718.70 and 520,080.20 is: 779,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,491.40 : 1,726,718.70 = 520,080.20 : x
  2. Step 2: Convert to fraction form
    1,151,491.40/1,726,718.70 = 520,080.20/x
  3. Step 3: Cross multiply
    1,151,491.40x = 1,726,718.70 × 520,080.20
  4. Step 4: Simplify right side
    1,151,491.40x = 898,032,206,839.74
  5. Step 5: Solve for x
    x = 898,032,206,839.74/1,151,491.40
  6. Step 6: Final answer
    x = 779,886.16

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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.