Home / 1,069,840.37-1,602,098.58-748,487.72

Finding the Fourth Proportional to 1,069,840.37, 1,602,098.58 and 748,487.72

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Solution

The fourth proportional to 1,069,840.37, 1,602,098.58 and 748,487.72 is: 1,120,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,840.37 : 1,602,098.58 = 748,487.72 : x
  2. Step 2: Convert to fraction form
    1,069,840.37/1,602,098.58 = 748,487.72/x
  3. Step 3: Cross multiply
    1,069,840.37x = 1,602,098.58 × 748,487.72
  4. Step 4: Simplify right side
    1,069,840.37x = 1,199,151,105,348.94
  5. Step 5: Solve for x
    x = 1,199,151,105,348.94/1,069,840.37
  6. Step 6: Final answer
    x = 1,120,869.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.