Home / 976,917.60-1,463,432.40-860,018.40

Finding the Fourth Proportional to 976,917.60, 1,463,432.40 and 860,018.40

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Solution

The fourth proportional to 976,917.60, 1,463,432.40 and 860,018.40 is: 1,288,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,917.60 : 1,463,432.40 = 860,018.40 : x
  2. Step 2: Convert to fraction form
    976,917.60/1,463,432.40 = 860,018.40/x
  3. Step 3: Cross multiply
    976,917.60x = 1,463,432.40 × 860,018.40
  4. Step 4: Simplify right side
    976,917.60x = 1,258,578,791,156.16
  5. Step 5: Solve for x
    x = 1,258,578,791,156.16/976,917.60
  6. Step 6: Final answer
    x = 1,288,316.22

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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.