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Finding the Fourth Proportional to 1,411,937.04, 1,948,488.17 and 767,357.27

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Solution

The fourth proportional to 1,411,937.04, 1,948,488.17 and 767,357.27 is: 1,058,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,937.04 : 1,948,488.17 = 767,357.27 : x
  2. Step 2: Convert to fraction form
    1,411,937.04/1,948,488.17 = 767,357.27/x
  3. Step 3: Cross multiply
    1,411,937.04x = 1,948,488.17 × 767,357.27
  4. Step 4: Simplify right side
    1,411,937.04x = 1,495,186,549,179.27
  5. Step 5: Solve for x
    x = 1,495,186,549,179.27/1,411,937.04
  6. Step 6: Final answer
    x = 1,058,961.20

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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.