Home / 1,516,316.29-2,092,601.89-828,052.20

Finding the Fourth Proportional to 1,516,316.29, 2,092,601.89 and 828,052.20

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Solution

The fourth proportional to 1,516,316.29, 2,092,601.89 and 828,052.20 is: 1,142,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,316.29 : 2,092,601.89 = 828,052.20 : x
  2. Step 2: Convert to fraction form
    1,516,316.29/2,092,601.89 = 828,052.20/x
  3. Step 3: Cross multiply
    1,516,316.29x = 2,092,601.89 × 828,052.20
  4. Step 4: Simplify right side
    1,516,316.29x = 1,732,783,599,773.72
  5. Step 5: Solve for x
    x = 1,732,783,599,773.72/1,516,316.29
  6. Step 6: Final answer
    x = 1,142,758.68

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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.