Home / 1,464,242.52-2,020,655.52-819,663.96

Finding the Fourth Proportional to 1,464,242.52, 2,020,655.52 and 819,663.96

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Solution

The fourth proportional to 1,464,242.52, 2,020,655.52 and 819,663.96 is: 1,131,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,242.52 : 2,020,655.52 = 819,663.96 : x
  2. Step 2: Convert to fraction form
    1,464,242.52/2,020,655.52 = 819,663.96/x
  3. Step 3: Cross multiply
    1,464,242.52x = 2,020,655.52 × 819,663.96
  4. Step 4: Simplify right side
    1,464,242.52x = 1,656,258,505,319.06
  5. Step 5: Solve for x
    x = 1,656,258,505,319.06/1,464,242.52
  6. Step 6: Final answer
    x = 1,131,136.74

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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.