Home / 1,340,338.10-2,012,062.35-808,459.70

Finding the Fourth Proportional to 1,340,338.10, 2,012,062.35 and 808,459.70

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Solution

The fourth proportional to 1,340,338.10, 2,012,062.35 and 808,459.70 is: 1,213,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,338.10 : 2,012,062.35 = 808,459.70 : x
  2. Step 2: Convert to fraction form
    1,340,338.10/2,012,062.35 = 808,459.70/x
  3. Step 3: Cross multiply
    1,340,338.10x = 2,012,062.35 × 808,459.70
  4. Step 4: Simplify right side
    1,340,338.10x = 1,626,671,323,862.30
  5. Step 5: Solve for x
    x = 1,626,671,323,862.30/1,340,338.10
  6. Step 6: Final answer
    x = 1,213,627.61

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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.