Home / 1,332,055.10-1,998,082.65-853,758.20

Finding the Fourth Proportional to 1,332,055.10, 1,998,082.65 and 853,758.20

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Solution

The fourth proportional to 1,332,055.10, 1,998,082.65 and 853,758.20 is: 1,280,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,055.10 : 1,998,082.65 = 853,758.20 : x
  2. Step 2: Convert to fraction form
    1,332,055.10/1,998,082.65 = 853,758.20/x
  3. Step 3: Cross multiply
    1,332,055.10x = 1,998,082.65 × 853,758.20
  4. Step 4: Simplify right side
    1,332,055.10x = 1,705,879,446,715.23
  5. Step 5: Solve for x
    x = 1,705,879,446,715.23/1,332,055.10
  6. Step 6: Final answer
    x = 1,280,637.30

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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.