Home / 1,013,508.72-1,398,407.09-605,742.57

Finding the Fourth Proportional to 1,013,508.72, 1,398,407.09 and 605,742.57

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Solution

The fourth proportional to 1,013,508.72, 1,398,407.09 and 605,742.57 is: 835,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,508.72 : 1,398,407.09 = 605,742.57 : x
  2. Step 2: Convert to fraction form
    1,013,508.72/1,398,407.09 = 605,742.57/x
  3. Step 3: Cross multiply
    1,013,508.72x = 1,398,407.09 × 605,742.57
  4. Step 4: Simplify right side
    1,013,508.72x = 847,074,701,574.11
  5. Step 5: Solve for x
    x = 847,074,701,574.11/1,013,508.72
  6. Step 6: Final answer
    x = 835,784.33

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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.