Home / 1,778,470.80-2,665,891.80-878,528.40

Finding the Fourth Proportional to 1,778,470.80, 2,665,891.80 and 878,528.40

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Solution

The fourth proportional to 1,778,470.80, 2,665,891.80 and 878,528.40 is: 1,316,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,470.80 : 2,665,891.80 = 878,528.40 : x
  2. Step 2: Convert to fraction form
    1,778,470.80/2,665,891.80 = 878,528.40/x
  3. Step 3: Cross multiply
    1,778,470.80x = 2,665,891.80 × 878,528.40
  4. Step 4: Simplify right side
    1,778,470.80x = 2,342,061,657,627.12
  5. Step 5: Solve for x
    x = 2,342,061,657,627.12/1,778,470.80
  6. Step 6: Final answer
    x = 1,316,896.32

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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.