Home / 1,505,549.48-2,077,663.08-817,221.92

Finding the Fourth Proportional to 1,505,549.48, 2,077,663.08 and 817,221.92

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Solution

The fourth proportional to 1,505,549.48, 2,077,663.08 and 817,221.92 is: 1,127,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,549.48 : 2,077,663.08 = 817,221.92 : x
  2. Step 2: Convert to fraction form
    1,505,549.48/2,077,663.08 = 817,221.92/x
  3. Step 3: Cross multiply
    1,505,549.48x = 2,077,663.08 × 817,221.92
  4. Step 4: Simplify right side
    1,505,549.48x = 1,697,911,811,350.71
  5. Step 5: Solve for x
    x = 1,697,911,811,350.71/1,505,549.48
  6. Step 6: Final answer
    x = 1,127,768.85

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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.