Home / 976,101.60-1,464,152.40-858,003.60

Finding the Fourth Proportional to 976,101.60, 1,464,152.40 and 858,003.60

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Solution

The fourth proportional to 976,101.60, 1,464,152.40 and 858,003.60 is: 1,287,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,101.60 : 1,464,152.40 = 858,003.60 : x
  2. Step 2: Convert to fraction form
    976,101.60/1,464,152.40 = 858,003.60/x
  3. Step 3: Cross multiply
    976,101.60x = 1,464,152.40 × 858,003.60
  4. Step 4: Simplify right side
    976,101.60x = 1,256,248,030,148.64
  5. Step 5: Solve for x
    x = 1,256,248,030,148.64/976,101.60
  6. Step 6: Final answer
    x = 1,287,005.40

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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.