Home / 1,509,675.85-2,083,402.49-865,219.57

Finding the Fourth Proportional to 1,509,675.85, 2,083,402.49 and 865,219.57

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Solution

The fourth proportional to 1,509,675.85, 2,083,402.49 and 865,219.57 is: 1,194,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,675.85 : 2,083,402.49 = 865,219.57 : x
  2. Step 2: Convert to fraction form
    1,509,675.85/2,083,402.49 = 865,219.57/x
  3. Step 3: Cross multiply
    1,509,675.85x = 2,083,402.49 × 865,219.57
  4. Step 4: Simplify right side
    1,509,675.85x = 1,802,600,616,019.55
  5. Step 5: Solve for x
    x = 1,802,600,616,019.55/1,509,675.85
  6. Step 6: Final answer
    x = 1,194,031.57

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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.