Home / 1,418,410.20-2,127,615.30-708,547.80

Finding the Fourth Proportional to 1,418,410.20, 2,127,615.30 and 708,547.80

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Solution

The fourth proportional to 1,418,410.20, 2,127,615.30 and 708,547.80 is: 1,062,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,410.20 : 2,127,615.30 = 708,547.80 : x
  2. Step 2: Convert to fraction form
    1,418,410.20/2,127,615.30 = 708,547.80/x
  3. Step 3: Cross multiply
    1,418,410.20x = 2,127,615.30 × 708,547.80
  4. Step 4: Simplify right side
    1,418,410.20x = 1,507,517,140,061.34
  5. Step 5: Solve for x
    x = 1,507,517,140,061.34/1,418,410.20
  6. Step 6: Final answer
    x = 1,062,821.70

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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.