Home / 1,342,639.90-2,013,959.85-943,731.10

Finding the Fourth Proportional to 1,342,639.90, 2,013,959.85 and 943,731.10

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Solution

The fourth proportional to 1,342,639.90, 2,013,959.85 and 943,731.10 is: 1,415,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,639.90 : 2,013,959.85 = 943,731.10 : x
  2. Step 2: Convert to fraction form
    1,342,639.90/2,013,959.85 = 943,731.10/x
  3. Step 3: Cross multiply
    1,342,639.90x = 2,013,959.85 × 943,731.10
  4. Step 4: Simplify right side
    1,342,639.90x = 1,900,636,544,596.34
  5. Step 5: Solve for x
    x = 1,900,636,544,596.34/1,342,639.90
  6. Step 6: Final answer
    x = 1,415,596.65

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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.