Home / 999,881.46-1,500,042.51-289,939.14

Finding the Fourth Proportional to 999,881.46, 1,500,042.51 and 289,939.14

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Solution

The fourth proportional to 999,881.46, 1,500,042.51 and 289,939.14 is: 434,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,881.46 : 1,500,042.51 = 289,939.14 : x
  2. Step 2: Convert to fraction form
    999,881.46/1,500,042.51 = 289,939.14/x
  3. Step 3: Cross multiply
    999,881.46x = 1,500,042.51 × 289,939.14
  4. Step 4: Simplify right side
    999,881.46x = 434,921,035,312.84
  5. Step 5: Solve for x
    x = 434,921,035,312.84/999,881.46
  6. Step 6: Final answer
    x = 434,972.60

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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.