Home / 1,013,407.62-1,398,364.72-605,423.11

Finding the Fourth Proportional to 1,013,407.62, 1,398,364.72 and 605,423.11

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Solution

The fourth proportional to 1,013,407.62, 1,398,364.72 and 605,423.11 is: 835,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,407.62 : 1,398,364.72 = 605,423.11 : x
  2. Step 2: Convert to fraction form
    1,013,407.62/1,398,364.72 = 605,423.11/x
  3. Step 3: Cross multiply
    1,013,407.62x = 1,398,364.72 × 605,423.11
  4. Step 4: Simplify right side
    1,013,407.62x = 846,602,319,566.06
  5. Step 5: Solve for x
    x = 846,602,319,566.06/1,013,407.62
  6. Step 6: Final answer
    x = 835,401.57

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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.