Home / 852,870.64-1,276,149.12-683,874.40

Finding the Fourth Proportional to 852,870.64, 1,276,149.12 and 683,874.40

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Solution

The fourth proportional to 852,870.64, 1,276,149.12 and 683,874.40 is: 1,023,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,870.64 : 1,276,149.12 = 683,874.40 : x
  2. Step 2: Convert to fraction form
    852,870.64/1,276,149.12 = 683,874.40/x
  3. Step 3: Cross multiply
    852,870.64x = 1,276,149.12 × 683,874.40
  4. Step 4: Simplify right side
    852,870.64x = 872,725,713,750.53
  5. Step 5: Solve for x
    x = 872,725,713,750.53/852,870.64
  6. Step 6: Final answer
    x = 1,023,280.29

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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.