Home / 1,745,642.39-2,409,015.87-971,335.04

Finding the Fourth Proportional to 1,745,642.39, 2,409,015.87 and 971,335.04

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Solution

The fourth proportional to 1,745,642.39, 2,409,015.87 and 971,335.04 is: 1,340,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,642.39 : 2,409,015.87 = 971,335.04 : x
  2. Step 2: Convert to fraction form
    1,745,642.39/2,409,015.87 = 971,335.04/x
  3. Step 3: Cross multiply
    1,745,642.39x = 2,409,015.87 × 971,335.04
  4. Step 4: Simplify right side
    1,745,642.39x = 2,339,961,514,402.01
  5. Step 5: Solve for x
    x = 2,339,961,514,402.01/1,745,642.39
  6. Step 6: Final answer
    x = 1,340,458.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.