Home / 1,260,897.90-1,891,346.85-629,909.10

Finding the Fourth Proportional to 1,260,897.90, 1,891,346.85 and 629,909.10

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Solution

The fourth proportional to 1,260,897.90, 1,891,346.85 and 629,909.10 is: 944,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,897.90 : 1,891,346.85 = 629,909.10 : x
  2. Step 2: Convert to fraction form
    1,260,897.90/1,891,346.85 = 629,909.10/x
  3. Step 3: Cross multiply
    1,260,897.90x = 1,891,346.85 × 629,909.10
  4. Step 4: Simplify right side
    1,260,897.90x = 1,191,376,592,071.34
  5. Step 5: Solve for x
    x = 1,191,376,592,071.34/1,260,897.90
  6. Step 6: Final answer
    x = 944,863.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.