Home / 1,015,006.83-1,400,708.75-556,151.15

Finding the Fourth Proportional to 1,015,006.83, 1,400,708.75 and 556,151.15

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Solution

The fourth proportional to 1,015,006.83, 1,400,708.75 and 556,151.15 is: 767,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,006.83 : 1,400,708.75 = 556,151.15 : x
  2. Step 2: Convert to fraction form
    1,015,006.83/1,400,708.75 = 556,151.15/x
  3. Step 3: Cross multiply
    1,015,006.83x = 1,400,708.75 × 556,151.15
  4. Step 4: Simplify right side
    1,015,006.83x = 779,005,772,343.26
  5. Step 5: Solve for x
    x = 779,005,772,343.26/1,015,006.83
  6. Step 6: Final answer
    x = 767,488.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.