Home / 972,021.60-1,458,032.40-865,733.40

Finding the Fourth Proportional to 972,021.60, 1,458,032.40 and 865,733.40

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Solution

The fourth proportional to 972,021.60, 1,458,032.40 and 865,733.40 is: 1,298,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,021.60 : 1,458,032.40 = 865,733.40 : x
  2. Step 2: Convert to fraction form
    972,021.60/1,458,032.40 = 865,733.40/x
  3. Step 3: Cross multiply
    972,021.60x = 1,458,032.40 × 865,733.40
  4. Step 4: Simplify right side
    972,021.60x = 1,262,267,346,962.16
  5. Step 5: Solve for x
    x = 1,262,267,346,962.16/972,021.60
  6. Step 6: Final answer
    x = 1,298,600.10

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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.