Home / 1,008,339.91-1,391,423.43-578,610.80

Finding the Fourth Proportional to 1,008,339.91, 1,391,423.43 and 578,610.80

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Solution

The fourth proportional to 1,008,339.91, 1,391,423.43 and 578,610.80 is: 798,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,339.91 : 1,391,423.43 = 578,610.80 : x
  2. Step 2: Convert to fraction form
    1,008,339.91/1,391,423.43 = 578,610.80/x
  3. Step 3: Cross multiply
    1,008,339.91x = 1,391,423.43 × 578,610.80
  4. Step 4: Simplify right side
    1,008,339.91x = 805,092,623,971.04
  5. Step 5: Solve for x
    x = 805,092,623,971.04/1,008,339.91
  6. Step 6: Final answer
    x = 798,433.76

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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.