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Finding the Fourth Proportional to 970,001.60, 1,455,002.40 and 671,403.20

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Solution

The fourth proportional to 970,001.60, 1,455,002.40 and 671,403.20 is: 1,007,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,001.60 : 1,455,002.40 = 671,403.20 : x
  2. Step 2: Convert to fraction form
    970,001.60/1,455,002.40 = 671,403.20/x
  3. Step 3: Cross multiply
    970,001.60x = 1,455,002.40 × 671,403.20
  4. Step 4: Simplify right side
    970,001.60x = 976,893,267,367.68
  5. Step 5: Solve for x
    x = 976,893,267,367.68/970,001.60
  6. Step 6: Final answer
    x = 1,007,104.80

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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.