Home / 1,487,347.72-2,052,552.90-808,284.20

Finding the Fourth Proportional to 1,487,347.72, 2,052,552.90 and 808,284.20

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Solution

The fourth proportional to 1,487,347.72, 2,052,552.90 and 808,284.20 is: 1,115,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,347.72 : 2,052,552.90 = 808,284.20 : x
  2. Step 2: Convert to fraction form
    1,487,347.72/2,052,552.90 = 808,284.20/x
  3. Step 3: Cross multiply
    1,487,347.72x = 2,052,552.90 × 808,284.20
  4. Step 4: Simplify right side
    1,487,347.72x = 1,659,046,078,734.18
  5. Step 5: Solve for x
    x = 1,659,046,078,734.18/1,487,347.72
  6. Step 6: Final answer
    x = 1,115,439.29

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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.