Home / 1,007,034.75-1,389,730.59-571,480.71

Finding the Fourth Proportional to 1,007,034.75, 1,389,730.59 and 571,480.71

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Solution

The fourth proportional to 1,007,034.75, 1,389,730.59 and 571,480.71 is: 788,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,034.75 : 1,389,730.59 = 571,480.71 : x
  2. Step 2: Convert to fraction form
    1,007,034.75/1,389,730.59 = 571,480.71/x
  3. Step 3: Cross multiply
    1,007,034.75x = 1,389,730.59 × 571,480.71
  4. Step 4: Simplify right side
    1,007,034.75x = 794,204,224,281.92
  5. Step 5: Solve for x
    x = 794,204,224,281.92/1,007,034.75
  6. Step 6: Final answer
    x = 788,656.22

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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.