Home / 1,232,499.40-1,850,498.70-760,107.40

Finding the Fourth Proportional to 1,232,499.40, 1,850,498.70 and 760,107.40

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Solution

The fourth proportional to 1,232,499.40, 1,850,498.70 and 760,107.40 is: 1,141,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,499.40 : 1,850,498.70 = 760,107.40 : x
  2. Step 2: Convert to fraction form
    1,232,499.40/1,850,498.70 = 760,107.40/x
  3. Step 3: Cross multiply
    1,232,499.40x = 1,850,498.70 × 760,107.40
  4. Step 4: Simplify right side
    1,232,499.40x = 1,406,577,755,560.38
  5. Step 5: Solve for x
    x = 1,406,577,755,560.38/1,232,499.40
  6. Step 6: Final answer
    x = 1,141,240.11

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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.