Home / 972,005.10-1,458,007.65-618,585.90

Finding the Fourth Proportional to 972,005.10, 1,458,007.65 and 618,585.90

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Solution

The fourth proportional to 972,005.10, 1,458,007.65 and 618,585.90 is: 927,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.10 : 1,458,007.65 = 618,585.90 : x
  2. Step 2: Convert to fraction form
    972,005.10/1,458,007.65 = 618,585.90/x
  3. Step 3: Cross multiply
    972,005.10x = 1,458,007.65 × 618,585.90
  4. Step 4: Simplify right side
    972,005.10x = 901,902,974,382.14
  5. Step 5: Solve for x
    x = 901,902,974,382.14/972,005.10
  6. Step 6: Final answer
    x = 927,878.85

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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.