Home / 1,072,101.42-1,607,795.10-432,239.88

Finding the Fourth Proportional to 1,072,101.42, 1,607,795.10 and 432,239.88

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Solution

The fourth proportional to 1,072,101.42, 1,607,795.10 and 432,239.88 is: 648,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,101.42 : 1,607,795.10 = 432,239.88 : x
  2. Step 2: Convert to fraction form
    1,072,101.42/1,607,795.10 = 432,239.88/x
  3. Step 3: Cross multiply
    1,072,101.42x = 1,607,795.10 × 432,239.88
  4. Step 4: Simplify right side
    1,072,101.42x = 694,953,161,088.59
  5. Step 5: Solve for x
    x = 694,953,161,088.59/1,072,101.42
  6. Step 6: Final answer
    x = 648,215.88

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Double scale
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1.5x scale

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.