Home / 1,078,522.02-1,488,899.64-670,755.18

Finding the Fourth Proportional to 1,078,522.02, 1,488,899.64 and 670,755.18

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Solution

The fourth proportional to 1,078,522.02, 1,488,899.64 and 670,755.18 is: 925,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,522.02 : 1,488,899.64 = 670,755.18 : x
  2. Step 2: Convert to fraction form
    1,078,522.02/1,488,899.64 = 670,755.18/x
  3. Step 3: Cross multiply
    1,078,522.02x = 1,488,899.64 × 670,755.18
  4. Step 4: Simplify right side
    1,078,522.02x = 998,687,146,030.14
  5. Step 5: Solve for x
    x = 998,687,146,030.14/1,078,522.02
  6. Step 6: Final answer
    x = 925,977.52

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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.