Home / 860,141.10-1,290,211.65-707,925.90

Finding the Fourth Proportional to 860,141.10, 1,290,211.65 and 707,925.90

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Solution

The fourth proportional to 860,141.10, 1,290,211.65 and 707,925.90 is: 1,061,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,141.10 : 1,290,211.65 = 707,925.90 : x
  2. Step 2: Convert to fraction form
    860,141.10/1,290,211.65 = 707,925.90/x
  3. Step 3: Cross multiply
    860,141.10x = 1,290,211.65 × 707,925.90
  4. Step 4: Simplify right side
    860,141.10x = 913,374,243,516.74
  5. Step 5: Solve for x
    x = 913,374,243,516.74/860,141.10
  6. Step 6: Final answer
    x = 1,061,888.85

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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.