Home / 1,581,820.80-2,182,952.73-970,310.76

Finding the Fourth Proportional to 1,581,820.80, 2,182,952.73 and 970,310.76

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Solution

The fourth proportional to 1,581,820.80, 2,182,952.73 and 970,310.76 is: 1,339,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,820.80 : 2,182,952.73 = 970,310.76 : x
  2. Step 2: Convert to fraction form
    1,581,820.80/2,182,952.73 = 970,310.76/x
  3. Step 3: Cross multiply
    1,581,820.80x = 2,182,952.73 × 970,310.76
  4. Step 4: Simplify right side
    1,581,820.80x = 2,118,142,522,490.37
  5. Step 5: Solve for x
    x = 2,118,142,522,490.37/1,581,820.80
  6. Step 6: Final answer
    x = 1,339,053.40

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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.