Home / 1,547,570.80-2,132,134.68-1,197,507.64

Finding the Fourth Proportional to 1,547,570.80, 2,132,134.68 and 1,197,507.64

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Solution

The fourth proportional to 1,547,570.80, 2,132,134.68 and 1,197,507.64 is: 1,649,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,570.80 : 2,132,134.68 = 1,197,507.64 : x
  2. Step 2: Convert to fraction form
    1,547,570.80/2,132,134.68 = 1,197,507.64/x
  3. Step 3: Cross multiply
    1,547,570.80x = 2,132,134.68 × 1,197,507.64
  4. Step 4: Simplify right side
    1,547,570.80x = 2,553,247,568,808.96
  5. Step 5: Solve for x
    x = 2,553,247,568,808.96/1,547,570.80
  6. Step 6: Final answer
    x = 1,649,842.17

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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.