Home / 1,149,656.40-1,724,666.85-391,569.30

Finding the Fourth Proportional to 1,149,656.40, 1,724,666.85 and 391,569.30

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Solution

The fourth proportional to 1,149,656.40, 1,724,666.85 and 391,569.30 is: 587,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,656.40 : 1,724,666.85 = 391,569.30 : x
  2. Step 2: Convert to fraction form
    1,149,656.40/1,724,666.85 = 391,569.30/x
  3. Step 3: Cross multiply
    1,149,656.40x = 1,724,666.85 × 391,569.30
  4. Step 4: Simplify right side
    1,149,656.40x = 675,326,591,187.71
  5. Step 5: Solve for x
    x = 675,326,591,187.71/1,149,656.40
  6. Step 6: Final answer
    x = 587,416.02

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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.