Home / 1,121,160.29-1,547,251.51-631,298.27

Finding the Fourth Proportional to 1,121,160.29, 1,547,251.51 and 631,298.27

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Solution

The fourth proportional to 1,121,160.29, 1,547,251.51 and 631,298.27 is: 871,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,160.29 : 1,547,251.51 = 631,298.27 : x
  2. Step 2: Convert to fraction form
    1,121,160.29/1,547,251.51 = 631,298.27/x
  3. Step 3: Cross multiply
    1,121,160.29x = 1,547,251.51 × 631,298.27
  4. Step 4: Simplify right side
    1,121,160.29x = 976,777,201,517.89
  5. Step 5: Solve for x
    x = 976,777,201,517.89/1,121,160.29
  6. Step 6: Final answer
    x = 871,219.94

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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.