Home / 1,547,127-2,135,072.04-868,113.72

Finding the Fourth Proportional to 1,547,127, 2,135,072.04 and 868,113.72

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Solution

The fourth proportional to 1,547,127, 2,135,072.04 and 868,113.72 is: 1,198,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,127 : 2,135,072.04 = 868,113.72 : x
  2. Step 2: Convert to fraction form
    1,547,127/2,135,072.04 = 868,113.72/x
  3. Step 3: Cross multiply
    1,547,127x = 2,135,072.04 × 868,113.72
  4. Step 4: Simplify right side
    1,547,127x = 1,853,485,331,112.39
  5. Step 5: Solve for x
    x = 1,853,485,331,112.39/1,547,127
  6. Step 6: Final answer
    x = 1,198,017.57

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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.