Home / 1,523,247.31-2,102,312.81-972,200.90

Finding the Fourth Proportional to 1,523,247.31, 2,102,312.81 and 972,200.90

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Solution

The fourth proportional to 1,523,247.31, 2,102,312.81 and 972,200.90 is: 1,341,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,247.31 : 2,102,312.81 = 972,200.90 : x
  2. Step 2: Convert to fraction form
    1,523,247.31/2,102,312.81 = 972,200.90/x
  3. Step 3: Cross multiply
    1,523,247.31x = 2,102,312.81 × 972,200.90
  4. Step 4: Simplify right side
    1,523,247.31x = 2,043,870,405,963.53
  5. Step 5: Solve for x
    x = 2,043,870,405,963.53/1,523,247.31
  6. Step 6: Final answer
    x = 1,341,785.01

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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.