Home / 1,487,537.76-2,052,818.16-808,474.40

Finding the Fourth Proportional to 1,487,537.76, 2,052,818.16 and 808,474.40

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Solution

The fourth proportional to 1,487,537.76, 2,052,818.16 and 808,474.40 is: 1,115,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,537.76 : 2,052,818.16 = 808,474.40 : x
  2. Step 2: Convert to fraction form
    1,487,537.76/2,052,818.16 = 808,474.40/x
  3. Step 3: Cross multiply
    1,487,537.76x = 2,052,818.16 × 808,474.40
  4. Step 4: Simplify right side
    1,487,537.76x = 1,659,650,930,215.10
  5. Step 5: Solve for x
    x = 1,659,650,930,215.10/1,487,537.76
  6. Step 6: Final answer
    x = 1,115,703.40

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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.