Home / 1,028,459.46-1,418,803.02-666,000.09

Finding the Fourth Proportional to 1,028,459.46, 1,418,803.02 and 666,000.09

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Solution

The fourth proportional to 1,028,459.46, 1,418,803.02 and 666,000.09 is: 918,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,459.46 : 1,418,803.02 = 666,000.09 : x
  2. Step 2: Convert to fraction form
    1,028,459.46/1,418,803.02 = 666,000.09/x
  3. Step 3: Cross multiply
    1,028,459.46x = 1,418,803.02 × 666,000.09
  4. Step 4: Simplify right side
    1,028,459.46x = 944,922,939,012.27
  5. Step 5: Solve for x
    x = 944,922,939,012.27/1,028,459.46
  6. Step 6: Final answer
    x = 918,775.10

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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.