Home / 1,487,005.40-2,229,254.22-644,922.92

Finding the Fourth Proportional to 1,487,005.40, 2,229,254.22 and 644,922.92

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Solution

The fourth proportional to 1,487,005.40, 2,229,254.22 and 644,922.92 is: 966,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,005.40 : 2,229,254.22 = 644,922.92 : x
  2. Step 2: Convert to fraction form
    1,487,005.40/2,229,254.22 = 644,922.92/x
  3. Step 3: Cross multiply
    1,487,005.40x = 2,229,254.22 × 644,922.92
  4. Step 4: Simplify right side
    1,487,005.40x = 1,437,697,140,984.72
  5. Step 5: Solve for x
    x = 1,437,697,140,984.72/1,487,005.40
  6. Step 6: Final answer
    x = 966,840.56

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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.