Home / 1,072,612.56-1,480,214.15-589,188.50

Finding the Fourth Proportional to 1,072,612.56, 1,480,214.15 and 589,188.50

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Solution

The fourth proportional to 1,072,612.56, 1,480,214.15 and 589,188.50 is: 813,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,612.56 : 1,480,214.15 = 589,188.50 : x
  2. Step 2: Convert to fraction form
    1,072,612.56/1,480,214.15 = 589,188.50/x
  3. Step 3: Cross multiply
    1,072,612.56x = 1,480,214.15 × 589,188.50
  4. Step 4: Simplify right side
    1,072,612.56x = 872,125,144,370.26
  5. Step 5: Solve for x
    x = 872,125,144,370.26/1,072,612.56
  6. Step 6: Final answer
    x = 813,084.96

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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.