Home / 918,152.10-1,377,228.15-912,247.20

Finding the Fourth Proportional to 918,152.10, 1,377,228.15 and 912,247.20

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Solution

The fourth proportional to 918,152.10, 1,377,228.15 and 912,247.20 is: 1,368,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,152.10 : 1,377,228.15 = 912,247.20 : x
  2. Step 2: Convert to fraction form
    918,152.10/1,377,228.15 = 912,247.20/x
  3. Step 3: Cross multiply
    918,152.10x = 1,377,228.15 × 912,247.20
  4. Step 4: Simplify right side
    918,152.10x = 1,256,372,523,598.68
  5. Step 5: Solve for x
    x = 1,256,372,523,598.68/918,152.10
  6. Step 6: Final answer
    x = 1,368,370.80

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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.