Home / 1,487,780.67-2,053,361.81-907,340.61

Finding the Fourth Proportional to 1,487,780.67, 2,053,361.81 and 907,340.61

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Solution

The fourth proportional to 1,487,780.67, 2,053,361.81 and 907,340.61 is: 1,252,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,780.67 : 2,053,361.81 = 907,340.61 : x
  2. Step 2: Convert to fraction form
    1,487,780.67/2,053,361.81 = 907,340.61/x
  3. Step 3: Cross multiply
    1,487,780.67x = 2,053,361.81 × 907,340.61
  4. Step 4: Simplify right side
    1,487,780.67x = 1,863,098,552,699.40
  5. Step 5: Solve for x
    x = 1,863,098,552,699.40/1,487,780.67
  6. Step 6: Final answer
    x = 1,252,266.94

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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.