Home / 1,439,454.60-2,158,145.10-808,561.80

Finding the Fourth Proportional to 1,439,454.60, 2,158,145.10 and 808,561.80

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Solution

The fourth proportional to 1,439,454.60, 2,158,145.10 and 808,561.80 is: 1,212,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,454.60 : 2,158,145.10 = 808,561.80 : x
  2. Step 2: Convert to fraction form
    1,439,454.60/2,158,145.10 = 808,561.80/x
  3. Step 3: Cross multiply
    1,439,454.60x = 2,158,145.10 × 808,561.80
  4. Step 4: Simplify right side
    1,439,454.60x = 1,744,993,686,717.18
  5. Step 5: Solve for x
    x = 1,744,993,686,717.18/1,439,454.60
  6. Step 6: Final answer
    x = 1,212,260.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.