Home / 1,179,430.40-1,767,331.20-878,499.20

Finding the Fourth Proportional to 1,179,430.40, 1,767,331.20 and 878,499.20

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Solution

The fourth proportional to 1,179,430.40, 1,767,331.20 and 878,499.20 is: 1,316,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,430.40 : 1,767,331.20 = 878,499.20 : x
  2. Step 2: Convert to fraction form
    1,179,430.40/1,767,331.20 = 878,499.20/x
  3. Step 3: Cross multiply
    1,179,430.40x = 1,767,331.20 × 878,499.20
  4. Step 4: Simplify right side
    1,179,430.40x = 1,552,599,045,335.04
  5. Step 5: Solve for x
    x = 1,552,599,045,335.04/1,179,430.40
  6. Step 6: Final answer
    x = 1,316,397.34

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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.