Home / 993,860.10-1,490,790.15-926,937.90

Finding the Fourth Proportional to 993,860.10, 1,490,790.15 and 926,937.90

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Solution

The fourth proportional to 993,860.10, 1,490,790.15 and 926,937.90 is: 1,390,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,860.10 : 1,490,790.15 = 926,937.90 : x
  2. Step 2: Convert to fraction form
    993,860.10/1,490,790.15 = 926,937.90/x
  3. Step 3: Cross multiply
    993,860.10x = 1,490,790.15 × 926,937.90
  4. Step 4: Simplify right side
    993,860.10x = 1,381,869,890,981.69
  5. Step 5: Solve for x
    x = 1,381,869,890,981.69/993,860.10
  6. Step 6: Final answer
    x = 1,390,406.85

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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.