Home / 1,154,174.49-1,739,139.82-948,421.53

Finding the Fourth Proportional to 1,154,174.49, 1,739,139.82 and 948,421.53

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Solution

The fourth proportional to 1,154,174.49, 1,739,139.82 and 948,421.53 is: 1,429,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,174.49 : 1,739,139.82 = 948,421.53 : x
  2. Step 2: Convert to fraction form
    1,154,174.49/1,739,139.82 = 948,421.53/x
  3. Step 3: Cross multiply
    1,154,174.49x = 1,739,139.82 × 948,421.53
  4. Step 4: Simplify right side
    1,154,174.49x = 1,649,437,646,597.27
  5. Step 5: Solve for x
    x = 1,649,437,646,597.27/1,154,174.49
  6. Step 6: Final answer
    x = 1,429,105.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.