Home / 1,312,059.30-1,969,010.55-564,641.70

Finding the Fourth Proportional to 1,312,059.30, 1,969,010.55 and 564,641.70

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Solution

The fourth proportional to 1,312,059.30, 1,969,010.55 and 564,641.70 is: 847,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,059.30 : 1,969,010.55 = 564,641.70 : x
  2. Step 2: Convert to fraction form
    1,312,059.30/1,969,010.55 = 564,641.70/x
  3. Step 3: Cross multiply
    1,312,059.30x = 1,969,010.55 × 564,641.70
  4. Step 4: Simplify right side
    1,312,059.30x = 1,111,785,464,269.93
  5. Step 5: Solve for x
    x = 1,111,785,464,269.93/1,312,059.30
  6. Step 6: Final answer
    x = 847,359.16

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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.