Home / 1,718,214.80-2,572,073.40-1,340,301.20

Finding the Fourth Proportional to 1,718,214.80, 2,572,073.40 and 1,340,301.20

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Solution

The fourth proportional to 1,718,214.80, 2,572,073.40 and 1,340,301.20 is: 2,006,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,214.80 : 2,572,073.40 = 1,340,301.20 : x
  2. Step 2: Convert to fraction form
    1,718,214.80/2,572,073.40 = 1,340,301.20/x
  3. Step 3: Cross multiply
    1,718,214.80x = 2,572,073.40 × 1,340,301.20
  4. Step 4: Simplify right side
    1,718,214.80x = 3,447,353,064,508.08
  5. Step 5: Solve for x
    x = 3,447,353,064,508.08/1,718,214.80
  6. Step 6: Final answer
    x = 2,006,357.45

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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.