Home / 970,233.80-1,455,609.90-865,776.20

Finding the Fourth Proportional to 970,233.80, 1,455,609.90 and 865,776.20

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Solution

The fourth proportional to 970,233.80, 1,455,609.90 and 865,776.20 is: 1,298,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,233.80 : 1,455,609.90 = 865,776.20 : x
  2. Step 2: Convert to fraction form
    970,233.80/1,455,609.90 = 865,776.20/x
  3. Step 3: Cross multiply
    970,233.80x = 1,455,609.90 × 865,776.20
  4. Step 4: Simplify right side
    970,233.80x = 1,260,232,407,904.38
  5. Step 5: Solve for x
    x = 1,260,232,407,904.38/970,233.80
  6. Step 6: Final answer
    x = 1,298,895.59

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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.