Home / 1,007,502.06-1,389,987.71-571,666.96

Finding the Fourth Proportional to 1,007,502.06, 1,389,987.71 and 571,666.96

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Solution

The fourth proportional to 1,007,502.06, 1,389,987.71 and 571,666.96 is: 788,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,502.06 : 1,389,987.71 = 571,666.96 : x
  2. Step 2: Convert to fraction form
    1,007,502.06/1,389,987.71 = 571,666.96/x
  3. Step 3: Cross multiply
    1,007,502.06x = 1,389,987.71 × 571,666.96
  4. Step 4: Simplify right side
    1,007,502.06x = 794,610,048,613.06
  5. Step 5: Solve for x
    x = 794,610,048,613.06/1,007,502.06
  6. Step 6: Final answer
    x = 788,693.22

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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.