Home / 1,298,522.25-1,791,927.29-725,567.13

Finding the Fourth Proportional to 1,298,522.25, 1,791,927.29 and 725,567.13

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Solution

The fourth proportional to 1,298,522.25, 1,791,927.29 and 725,567.13 is: 1,001,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,522.25 : 1,791,927.29 = 725,567.13 : x
  2. Step 2: Convert to fraction form
    1,298,522.25/1,791,927.29 = 725,567.13/x
  3. Step 3: Cross multiply
    1,298,522.25x = 1,791,927.29 × 725,567.13
  4. Step 4: Simplify right side
    1,298,522.25x = 1,300,163,537,346.14
  5. Step 5: Solve for x
    x = 1,300,163,537,346.14/1,298,522.25
  6. Step 6: Final answer
    x = 1,001,263.97

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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.