Home / 749,363.60-1,124,045.40-717,870.80

Finding the Fourth Proportional to 749,363.60, 1,124,045.40 and 717,870.80

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Solution

The fourth proportional to 749,363.60, 1,124,045.40 and 717,870.80 is: 1,076,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,363.60 : 1,124,045.40 = 717,870.80 : x
  2. Step 2: Convert to fraction form
    749,363.60/1,124,045.40 = 717,870.80/x
  3. Step 3: Cross multiply
    749,363.60x = 1,124,045.40 × 717,870.80
  4. Step 4: Simplify right side
    749,363.60x = 806,919,370,534.32
  5. Step 5: Solve for x
    x = 806,919,370,534.32/749,363.60
  6. Step 6: Final answer
    x = 1,076,806.20

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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.