Home / 1,502,436.90-2,073,285.78-857,731.16

Finding the Fourth Proportional to 1,502,436.90, 2,073,285.78 and 857,731.16

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Solution

The fourth proportional to 1,502,436.90, 2,073,285.78 and 857,731.16 is: 1,183,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,436.90 : 2,073,285.78 = 857,731.16 : x
  2. Step 2: Convert to fraction form
    1,502,436.90/2,073,285.78 = 857,731.16/x
  3. Step 3: Cross multiply
    1,502,436.90x = 2,073,285.78 × 857,731.16
  4. Step 4: Simplify right side
    1,502,436.90x = 1,778,321,817,090.90
  5. Step 5: Solve for x
    x = 1,778,321,817,090.90/1,502,436.90
  6. Step 6: Final answer
    x = 1,183,624.96

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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.