Home / 1,216,035.02-1,678,098.80-672,156.81

Finding the Fourth Proportional to 1,216,035.02, 1,678,098.80 and 672,156.81

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Solution

The fourth proportional to 1,216,035.02, 1,678,098.80 and 672,156.81 is: 927,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,035.02 : 1,678,098.80 = 672,156.81 : x
  2. Step 2: Convert to fraction form
    1,216,035.02/1,678,098.80 = 672,156.81/x
  3. Step 3: Cross multiply
    1,216,035.02x = 1,678,098.80 × 672,156.81
  4. Step 4: Simplify right side
    1,216,035.02x = 1,127,945,532,912.04
  5. Step 5: Solve for x
    x = 1,127,945,532,912.04/1,216,035.02
  6. Step 6: Final answer
    x = 927,560.08

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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.