Home / 1,015,126.26-1,400,888.07-556,231.71

Finding the Fourth Proportional to 1,015,126.26, 1,400,888.07 and 556,231.71

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Solution

The fourth proportional to 1,015,126.26, 1,400,888.07 and 556,231.71 is: 767,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,126.26 : 1,400,888.07 = 556,231.71 : x
  2. Step 2: Convert to fraction form
    1,015,126.26/1,400,888.07 = 556,231.71/x
  3. Step 3: Cross multiply
    1,015,126.26x = 1,400,888.07 × 556,231.71
  4. Step 4: Simplify right side
    1,015,126.26x = 779,218,366,694.70
  5. Step 5: Solve for x
    x = 779,218,366,694.70/1,015,126.26
  6. Step 6: Final answer
    x = 767,607.34

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Double scale
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1.5x scale

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.