Home / 1,176,792.79-1,623,844.10-660,428.25

Finding the Fourth Proportional to 1,176,792.79, 1,623,844.10 and 660,428.25

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Solution

The fourth proportional to 1,176,792.79, 1,623,844.10 and 660,428.25 is: 911,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,792.79 : 1,623,844.10 = 660,428.25 : x
  2. Step 2: Convert to fraction form
    1,176,792.79/1,623,844.10 = 660,428.25/x
  3. Step 3: Cross multiply
    1,176,792.79x = 1,623,844.10 × 660,428.25
  4. Step 4: Simplify right side
    1,176,792.79x = 1,072,432,514,827.29
  5. Step 5: Solve for x
    x = 1,072,432,514,827.29/1,176,792.79
  6. Step 6: Final answer
    x = 911,318.05

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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.