Home / 1,625,731.31-2,243,479.82-900,576.78

Finding the Fourth Proportional to 1,625,731.31, 2,243,479.82 and 900,576.78

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Solution

The fourth proportional to 1,625,731.31, 2,243,479.82 and 900,576.78 is: 1,242,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,731.31 : 2,243,479.82 = 900,576.78 : x
  2. Step 2: Convert to fraction form
    1,625,731.31/2,243,479.82 = 900,576.78/x
  3. Step 3: Cross multiply
    1,625,731.31x = 2,243,479.82 × 900,576.78
  4. Step 4: Simplify right side
    1,625,731.31x = 2,020,425,827,787.70
  5. Step 5: Solve for x
    x = 2,020,425,827,787.70/1,625,731.31
  6. Step 6: Final answer
    x = 1,242,779.68

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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.