Home / 1,755,257.60-2,632,886.40-689,945.60

Finding the Fourth Proportional to 1,755,257.60, 2,632,886.40 and 689,945.60

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Solution

The fourth proportional to 1,755,257.60, 2,632,886.40 and 689,945.60 is: 1,034,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,257.60 : 2,632,886.40 = 689,945.60 : x
  2. Step 2: Convert to fraction form
    1,755,257.60/2,632,886.40 = 689,945.60/x
  3. Step 3: Cross multiply
    1,755,257.60x = 2,632,886.40 × 689,945.60
  4. Step 4: Simplify right side
    1,755,257.60x = 1,816,548,386,979.84
  5. Step 5: Solve for x
    x = 1,816,548,386,979.84/1,755,257.60
  6. Step 6: Final answer
    x = 1,034,918.40

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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.