Home / 1,075,876.40-1,613,123.40-445,041.20

Finding the Fourth Proportional to 1,075,876.40, 1,613,123.40 and 445,041.20

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Solution

The fourth proportional to 1,075,876.40, 1,613,123.40 and 445,041.20 is: 667,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,876.40 : 1,613,123.40 = 445,041.20 : x
  2. Step 2: Convert to fraction form
    1,075,876.40/1,613,123.40 = 445,041.20/x
  3. Step 3: Cross multiply
    1,075,876.40x = 1,613,123.40 × 445,041.20
  4. Step 4: Simplify right side
    1,075,876.40x = 717,906,373,684.08
  5. Step 5: Solve for x
    x = 717,906,373,684.08/1,075,876.40
  6. Step 6: Final answer
    x = 667,275.88

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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.