Home / 1,342,278.10-1,852,382.70-730,470.30

Finding the Fourth Proportional to 1,342,278.10, 1,852,382.70 and 730,470.30

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Solution

The fourth proportional to 1,342,278.10, 1,852,382.70 and 730,470.30 is: 1,008,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,278.10 : 1,852,382.70 = 730,470.30 : x
  2. Step 2: Convert to fraction form
    1,342,278.10/1,852,382.70 = 730,470.30/x
  3. Step 3: Cross multiply
    1,342,278.10x = 1,852,382.70 × 730,470.30
  4. Step 4: Simplify right side
    1,342,278.10x = 1,353,110,546,583.81
  5. Step 5: Solve for x
    x = 1,353,110,546,583.81/1,342,278.10
  6. Step 6: Final answer
    x = 1,008,070.20

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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.