Home / 970,218.80-1,455,587.40-865,761.20

Finding the Fourth Proportional to 970,218.80, 1,455,587.40 and 865,761.20

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Solution

The fourth proportional to 970,218.80, 1,455,587.40 and 865,761.20 is: 1,298,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,218.80 : 1,455,587.40 = 865,761.20 : x
  2. Step 2: Convert to fraction form
    970,218.80/1,455,587.40 = 865,761.20/x
  3. Step 3: Cross multiply
    970,218.80x = 1,455,587.40 × 865,761.20
  4. Step 4: Simplify right side
    970,218.80x = 1,260,191,094,128.88
  5. Step 5: Solve for x
    x = 1,260,191,094,128.88/970,218.80
  6. Step 6: Final answer
    x = 1,298,873.09

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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.