Home / 1,246,384-1,869,386.46-347,731.12

Finding the Fourth Proportional to 1,246,384, 1,869,386.46 and 347,731.12

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Solution

The fourth proportional to 1,246,384, 1,869,386.46 and 347,731.12 is: 521,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,384 : 1,869,386.46 = 347,731.12 : x
  2. Step 2: Convert to fraction form
    1,246,384/1,869,386.46 = 347,731.12/x
  3. Step 3: Cross multiply
    1,246,384x = 1,869,386.46 × 347,731.12
  4. Step 4: Simplify right side
    1,246,384x = 650,043,847,448.64
  5. Step 5: Solve for x
    x = 650,043,847,448.64/1,246,384
  6. Step 6: Final answer
    x = 521,543.80

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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.