Home / 972,004.60-1,458,006.90-618,585.40

Finding the Fourth Proportional to 972,004.60, 1,458,006.90 and 618,585.40

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Solution

The fourth proportional to 972,004.60, 1,458,006.90 and 618,585.40 is: 927,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.60 : 1,458,006.90 = 618,585.40 : x
  2. Step 2: Convert to fraction form
    972,004.60/1,458,006.90 = 618,585.40/x
  3. Step 3: Cross multiply
    972,004.60x = 1,458,006.90 × 618,585.40
  4. Step 4: Simplify right side
    972,004.60x = 901,901,781,439.26
  5. Step 5: Solve for x
    x = 901,901,781,439.26/972,004.60
  6. Step 6: Final answer
    x = 927,878.10

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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.