Home / 918,151.10-1,377,226.65-912,246.20

Finding the Fourth Proportional to 918,151.10, 1,377,226.65 and 912,246.20

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Solution

The fourth proportional to 918,151.10, 1,377,226.65 and 912,246.20 is: 1,368,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,151.10 : 1,377,226.65 = 912,246.20 : x
  2. Step 2: Convert to fraction form
    918,151.10/1,377,226.65 = 912,246.20/x
  3. Step 3: Cross multiply
    918,151.10x = 1,377,226.65 × 912,246.20
  4. Step 4: Simplify right side
    918,151.10x = 1,256,369,778,001.23
  5. Step 5: Solve for x
    x = 1,256,369,778,001.23/918,151.10
  6. Step 6: Final answer
    x = 1,368,369.30

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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.