Home / 1,005,938.20-1,504,970.70-651,644.20

Finding the Fourth Proportional to 1,005,938.20, 1,504,970.70 and 651,644.20

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Solution

The fourth proportional to 1,005,938.20, 1,504,970.70 and 651,644.20 is: 974,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,938.20 : 1,504,970.70 = 651,644.20 : x
  2. Step 2: Convert to fraction form
    1,005,938.20/1,504,970.70 = 651,644.20/x
  3. Step 3: Cross multiply
    1,005,938.20x = 1,504,970.70 × 651,644.20
  4. Step 4: Simplify right side
    1,005,938.20x = 980,705,427,824.94
  5. Step 5: Solve for x
    x = 980,705,427,824.94/1,005,938.20
  6. Step 6: Final answer
    x = 974,916.18

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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.