Home / 1,640,252.02-2,263,549.20-915,099.88

Finding the Fourth Proportional to 1,640,252.02, 2,263,549.20 and 915,099.88

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Solution

The fourth proportional to 1,640,252.02, 2,263,549.20 and 915,099.88 is: 1,262,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,252.02 : 2,263,549.20 = 915,099.88 : x
  2. Step 2: Convert to fraction form
    1,640,252.02/2,263,549.20 = 915,099.88/x
  3. Step 3: Cross multiply
    1,640,252.02x = 2,263,549.20 × 915,099.88
  4. Step 4: Simplify right side
    1,640,252.02x = 2,071,373,596,718.60
  5. Step 5: Solve for x
    x = 2,071,373,596,718.60/1,640,252.02
  6. Step 6: Final answer
    x = 1,262,838.62

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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.