Home / 749,365.60-1,124,048.40-717,872.80

Finding the Fourth Proportional to 749,365.60, 1,124,048.40 and 717,872.80

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Solution

The fourth proportional to 749,365.60, 1,124,048.40 and 717,872.80 is: 1,076,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,365.60 : 1,124,048.40 = 717,872.80 : x
  2. Step 2: Convert to fraction form
    749,365.60/1,124,048.40 = 717,872.80/x
  3. Step 3: Cross multiply
    749,365.60x = 1,124,048.40 × 717,872.80
  4. Step 4: Simplify right side
    749,365.60x = 806,923,772,243.52
  5. Step 5: Solve for x
    x = 806,923,772,243.52/749,365.60
  6. Step 6: Final answer
    x = 1,076,809.20

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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.