Home / 918,152.60-1,377,228.90-912,247.70

Finding the Fourth Proportional to 918,152.60, 1,377,228.90 and 912,247.70

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Solution

The fourth proportional to 918,152.60, 1,377,228.90 and 912,247.70 is: 1,368,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,152.60 : 1,377,228.90 = 912,247.70 : x
  2. Step 2: Convert to fraction form
    918,152.60/1,377,228.90 = 912,247.70/x
  3. Step 3: Cross multiply
    918,152.60x = 1,377,228.90 × 912,247.70
  4. Step 4: Simplify right side
    918,152.60x = 1,256,373,896,398.53
  5. Step 5: Solve for x
    x = 1,256,373,896,398.53/918,152.60
  6. Step 6: Final answer
    x = 1,368,371.55

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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.