Home / 945,225.60-1,417,838.40-520,072.80

Finding the Fourth Proportional to 945,225.60, 1,417,838.40 and 520,072.80

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Solution

The fourth proportional to 945,225.60, 1,417,838.40 and 520,072.80 is: 780,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,225.60 : 1,417,838.40 = 520,072.80 : x
  2. Step 2: Convert to fraction form
    945,225.60/1,417,838.40 = 520,072.80/x
  3. Step 3: Cross multiply
    945,225.60x = 1,417,838.40 × 520,072.80
  4. Step 4: Simplify right side
    945,225.60x = 737,379,186,635.52
  5. Step 5: Solve for x
    x = 737,379,186,635.52/945,225.60
  6. Step 6: Final answer
    x = 780,109.20

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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.