Home / 970,611.30-1,455,916.95-687,176.10

Finding the Fourth Proportional to 970,611.30, 1,455,916.95 and 687,176.10

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Solution

The fourth proportional to 970,611.30, 1,455,916.95 and 687,176.10 is: 1,030,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,611.30 : 1,455,916.95 = 687,176.10 : x
  2. Step 2: Convert to fraction form
    970,611.30/1,455,916.95 = 687,176.10/x
  3. Step 3: Cross multiply
    970,611.30x = 1,455,916.95 × 687,176.10
  4. Step 4: Simplify right side
    970,611.30x = 1,000,471,331,624.89
  5. Step 5: Solve for x
    x = 1,000,471,331,624.89/970,611.30
  6. Step 6: Final answer
    x = 1,030,764.15

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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.