Home / 1,487,334.72-2,052,534.92-808,271.20

Finding the Fourth Proportional to 1,487,334.72, 2,052,534.92 and 808,271.20

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Solution

The fourth proportional to 1,487,334.72, 2,052,534.92 and 808,271.20 is: 1,115,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,334.72 : 2,052,534.92 = 808,271.20 : x
  2. Step 2: Convert to fraction form
    1,487,334.72/2,052,534.92 = 808,271.20/x
  3. Step 3: Cross multiply
    1,487,334.72x = 2,052,534.92 × 808,271.20
  4. Step 4: Simplify right side
    1,487,334.72x = 1,659,004,862,830.30
  5. Step 5: Solve for x
    x = 1,659,004,862,830.30/1,487,334.72
  6. Step 6: Final answer
    x = 1,115,421.32

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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.