Home / 1,355,382.78-2,033,070.93-748,141.98

Finding the Fourth Proportional to 1,355,382.78, 2,033,070.93 and 748,141.98

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Solution

The fourth proportional to 1,355,382.78, 2,033,070.93 and 748,141.98 is: 1,122,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,382.78 : 2,033,070.93 = 748,141.98 : x
  2. Step 2: Convert to fraction form
    1,355,382.78/2,033,070.93 = 748,141.98/x
  3. Step 3: Cross multiply
    1,355,382.78x = 2,033,070.93 × 748,141.98
  4. Step 4: Simplify right side
    1,355,382.78x = 1,521,025,711,050.64
  5. Step 5: Solve for x
    x = 1,521,025,711,050.64/1,355,382.78
  6. Step 6: Final answer
    x = 1,122,211.18

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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.