Home / 1,225,425.40-1,690,623.18-760,064.02

Finding the Fourth Proportional to 1,225,425.40, 1,690,623.18 and 760,064.02

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Solution

The fourth proportional to 1,225,425.40, 1,690,623.18 and 760,064.02 is: 1,048,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,425.40 : 1,690,623.18 = 760,064.02 : x
  2. Step 2: Convert to fraction form
    1,225,425.40/1,690,623.18 = 760,064.02/x
  3. Step 3: Cross multiply
    1,225,425.40x = 1,690,623.18 × 760,064.02
  4. Step 4: Simplify right side
    1,225,425.40x = 1,284,981,850,495.98
  5. Step 5: Solve for x
    x = 1,284,981,850,495.98/1,225,425.40
  6. Step 6: Final answer
    x = 1,048,600.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.