Home / 1,200,020.44-1,656,444.90-690,925.72

Finding the Fourth Proportional to 1,200,020.44, 1,656,444.90 and 690,925.72

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Solution

The fourth proportional to 1,200,020.44, 1,656,444.90 and 690,925.72 is: 953,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,020.44 : 1,656,444.90 = 690,925.72 : x
  2. Step 2: Convert to fraction form
    1,200,020.44/1,656,444.90 = 690,925.72/x
  3. Step 3: Cross multiply
    1,200,020.44x = 1,656,444.90 × 690,925.72
  4. Step 4: Simplify right side
    1,200,020.44x = 1,144,480,385,172.83
  5. Step 5: Solve for x
    x = 1,144,480,385,172.83/1,200,020.44
  6. Step 6: Final answer
    x = 953,717.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.