Home / 1,306,920.60-1,960,479.36-360,283.32

Finding the Fourth Proportional to 1,306,920.60, 1,960,479.36 and 360,283.32

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Solution

The fourth proportional to 1,306,920.60, 1,960,479.36 and 360,283.32 is: 540,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,920.60 : 1,960,479.36 = 360,283.32 : x
  2. Step 2: Convert to fraction form
    1,306,920.60/1,960,479.36 = 360,283.32/x
  3. Step 3: Cross multiply
    1,306,920.60x = 1,960,479.36 × 360,283.32
  4. Step 4: Simplify right side
    1,306,920.60x = 706,328,012,612.28
  5. Step 5: Solve for x
    x = 706,328,012,612.28/1,306,920.60
  6. Step 6: Final answer
    x = 540,452.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.