Home / 1,443,853.74-1,992,518.76-790,522.12

Finding the Fourth Proportional to 1,443,853.74, 1,992,518.76 and 790,522.12

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Solution

The fourth proportional to 1,443,853.74, 1,992,518.76 and 790,522.12 is: 1,090,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,853.74 : 1,992,518.76 = 790,522.12 : x
  2. Step 2: Convert to fraction form
    1,443,853.74/1,992,518.76 = 790,522.12/x
  3. Step 3: Cross multiply
    1,443,853.74x = 1,992,518.76 × 790,522.12
  4. Step 4: Simplify right side
    1,443,853.74x = 1,575,130,154,294.97
  5. Step 5: Solve for x
    x = 1,575,130,154,294.97/1,443,853.74
  6. Step 6: Final answer
    x = 1,090,920.85

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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.