Home / 1,315,250.72-1,971,691.28-473,210

Finding the Fourth Proportional to 1,315,250.72, 1,971,691.28 and 473,210

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Solution

The fourth proportional to 1,315,250.72, 1,971,691.28 and 473,210 is: 709,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,250.72 : 1,971,691.28 = 473,210 : x
  2. Step 2: Convert to fraction form
    1,315,250.72/1,971,691.28 = 473,210/x
  3. Step 3: Cross multiply
    1,315,250.72x = 1,971,691.28 × 473,210
  4. Step 4: Simplify right side
    1,315,250.72x = 933,024,030,608.80
  5. Step 5: Solve for x
    x = 933,024,030,608.80/1,315,250.72
  6. Step 6: Final answer
    x = 709,388.72

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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.