Home / 1,105,222.40-1,657,927.20-306,503.84

Finding the Fourth Proportional to 1,105,222.40, 1,657,927.20 and 306,503.84

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Solution

The fourth proportional to 1,105,222.40, 1,657,927.20 and 306,503.84 is: 459,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,222.40 : 1,657,927.20 = 306,503.84 : x
  2. Step 2: Convert to fraction form
    1,105,222.40/1,657,927.20 = 306,503.84/x
  3. Step 3: Cross multiply
    1,105,222.40x = 1,657,927.20 × 306,503.84
  4. Step 4: Simplify right side
    1,105,222.40x = 508,161,053,240.45
  5. Step 5: Solve for x
    x = 508,161,053,240.45/1,105,222.40
  6. Step 6: Final answer
    x = 459,781.72

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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.