Home / 1,046,390.40-1,566,475.20-691,804.80

Finding the Fourth Proportional to 1,046,390.40, 1,566,475.20 and 691,804.80

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Solution

The fourth proportional to 1,046,390.40, 1,566,475.20 and 691,804.80 is: 1,035,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,390.40 : 1,566,475.20 = 691,804.80 : x
  2. Step 2: Convert to fraction form
    1,046,390.40/1,566,475.20 = 691,804.80/x
  3. Step 3: Cross multiply
    1,046,390.40x = 1,566,475.20 × 691,804.80
  4. Step 4: Simplify right side
    1,046,390.40x = 1,083,695,062,440.96
  5. Step 5: Solve for x
    x = 1,083,695,062,440.96/1,046,390.40
  6. Step 6: Final answer
    x = 1,035,650.81

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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.