Home / 1,202,685.15-1,658,375.54-766,411.40

Finding the Fourth Proportional to 1,202,685.15, 1,658,375.54 and 766,411.40

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Solution

The fourth proportional to 1,202,685.15, 1,658,375.54 and 766,411.40 is: 1,056,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,685.15 : 1,658,375.54 = 766,411.40 : x
  2. Step 2: Convert to fraction form
    1,202,685.15/1,658,375.54 = 766,411.40/x
  3. Step 3: Cross multiply
    1,202,685.15x = 1,658,375.54 × 766,411.40
  4. Step 4: Simplify right side
    1,202,685.15x = 1,270,997,919,651.04
  5. Step 5: Solve for x
    x = 1,270,997,919,651.04/1,202,685.15
  6. Step 6: Final answer
    x = 1,056,800.21

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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.