Home / 1,242,001.20-1,860,705.45-707,935.80

Finding the Fourth Proportional to 1,242,001.20, 1,860,705.45 and 707,935.80

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Solution

The fourth proportional to 1,242,001.20, 1,860,705.45 and 707,935.80 is: 1,060,594.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,001.20 : 1,860,705.45 = 707,935.80 : x
  2. Step 2: Convert to fraction form
    1,242,001.20/1,860,705.45 = 707,935.80/x
  3. Step 3: Cross multiply
    1,242,001.20x = 1,860,705.45 × 707,935.80
  4. Step 4: Simplify right side
    1,242,001.20x = 1,317,260,001,310.11
  5. Step 5: Solve for x
    x = 1,317,260,001,310.11/1,242,001.20
  6. Step 6: Final answer
    x = 1,060,594.79

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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.