Home / 1,245,659.38-1,868,489-299,030.10

Finding the Fourth Proportional to 1,245,659.38, 1,868,489 and 299,030.10

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Solution

The fourth proportional to 1,245,659.38, 1,868,489 and 299,030.10 is: 448,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,659.38 : 1,868,489 = 299,030.10 : x
  2. Step 2: Convert to fraction form
    1,245,659.38/1,868,489 = 299,030.10/x
  3. Step 3: Cross multiply
    1,245,659.38x = 1,868,489 × 299,030.10
  4. Step 4: Simplify right side
    1,245,659.38x = 558,734,452,518.90
  5. Step 5: Solve for x
    x = 558,734,452,518.90/1,245,659.38
  6. Step 6: Final answer
    x = 448,545.13

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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.