Home / 1,232,718.32-1,701,147.74-688,854.62

Finding the Fourth Proportional to 1,232,718.32, 1,701,147.74 and 688,854.62

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Solution

The fourth proportional to 1,232,718.32, 1,701,147.74 and 688,854.62 is: 950,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,718.32 : 1,701,147.74 = 688,854.62 : x
  2. Step 2: Convert to fraction form
    1,232,718.32/1,701,147.74 = 688,854.62/x
  3. Step 3: Cross multiply
    1,232,718.32x = 1,701,147.74 × 688,854.62
  4. Step 4: Simplify right side
    1,232,718.32x = 1,171,843,480,001.56
  5. Step 5: Solve for x
    x = 1,171,843,480,001.56/1,232,718.32
  6. Step 6: Final answer
    x = 950,617.40

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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.