Home / 1,509,467.61-2,083,119.69-865,012.35

Finding the Fourth Proportional to 1,509,467.61, 2,083,119.69 and 865,012.35

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Solution

The fourth proportional to 1,509,467.61, 2,083,119.69 and 865,012.35 is: 1,193,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,467.61 : 2,083,119.69 = 865,012.35 : x
  2. Step 2: Convert to fraction form
    1,509,467.61/2,083,119.69 = 865,012.35/x
  3. Step 3: Cross multiply
    1,509,467.61x = 2,083,119.69 × 865,012.35
  4. Step 4: Simplify right side
    1,509,467.61x = 1,801,924,258,378.17
  5. Step 5: Solve for x
    x = 1,801,924,258,378.17/1,509,467.61
  6. Step 6: Final answer
    x = 1,193,748.21

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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.