Home / 1,340,322.28-2,010,482.14-343,048.68

Finding the Fourth Proportional to 1,340,322.28, 2,010,482.14 and 343,048.68

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Solution

The fourth proportional to 1,340,322.28, 2,010,482.14 and 343,048.68 is: 514,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,322.28 : 2,010,482.14 = 343,048.68 : x
  2. Step 2: Convert to fraction form
    1,340,322.28/2,010,482.14 = 343,048.68/x
  3. Step 3: Cross multiply
    1,340,322.28x = 2,010,482.14 × 343,048.68
  4. Step 4: Simplify right side
    1,340,322.28x = 689,693,244,290.58
  5. Step 5: Solve for x
    x = 689,693,244,290.58/1,340,322.28
  6. Step 6: Final answer
    x = 514,572.69

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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.