Home / 1,155,664.20-1,733,732.72-397,407.20

Finding the Fourth Proportional to 1,155,664.20, 1,733,732.72 and 397,407.20

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Solution

The fourth proportional to 1,155,664.20, 1,733,732.72 and 397,407.20 is: 596,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,664.20 : 1,733,732.72 = 397,407.20 : x
  2. Step 2: Convert to fraction form
    1,155,664.20/1,733,732.72 = 397,407.20/x
  3. Step 3: Cross multiply
    1,155,664.20x = 1,733,732.72 × 397,407.20
  4. Step 4: Simplify right side
    1,155,664.20x = 688,997,865,803.58
  5. Step 5: Solve for x
    x = 688,997,865,803.58/1,155,664.20
  6. Step 6: Final answer
    x = 596,192.10

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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.