Home / 1,147,060.80-1,582,938.72-637,732.80

Finding the Fourth Proportional to 1,147,060.80, 1,582,938.72 and 637,732.80

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Solution

The fourth proportional to 1,147,060.80, 1,582,938.72 and 637,732.80 is: 880,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,060.80 : 1,582,938.72 = 637,732.80 : x
  2. Step 2: Convert to fraction form
    1,147,060.80/1,582,938.72 = 637,732.80/x
  3. Step 3: Cross multiply
    1,147,060.80x = 1,582,938.72 × 637,732.80
  4. Step 4: Simplify right side
    1,147,060.80x = 1,009,491,942,134.02
  5. Step 5: Solve for x
    x = 1,009,491,942,134.02/1,147,060.80
  6. Step 6: Final answer
    x = 880,068.38

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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.