Home / 1,383,312.93-1,909,314.10-942,516.61

Finding the Fourth Proportional to 1,383,312.93, 1,909,314.10 and 942,516.61

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Solution

The fourth proportional to 1,383,312.93, 1,909,314.10 and 942,516.61 is: 1,300,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,312.93 : 1,909,314.10 = 942,516.61 : x
  2. Step 2: Convert to fraction form
    1,383,312.93/1,909,314.10 = 942,516.61/x
  3. Step 3: Cross multiply
    1,383,312.93x = 1,909,314.10 × 942,516.61
  4. Step 4: Simplify right side
    1,383,312.93x = 1,799,560,249,666.79
  5. Step 5: Solve for x
    x = 1,799,560,249,666.79/1,383,312.93
  6. Step 6: Final answer
    x = 1,300,906.12

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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.