Home / 1,189,642.88-1,641,598.08-706,125.44

Finding the Fourth Proportional to 1,189,642.88, 1,641,598.08 and 706,125.44

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Solution

The fourth proportional to 1,189,642.88, 1,641,598.08 and 706,125.44 is: 974,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,642.88 : 1,641,598.08 = 706,125.44 : x
  2. Step 2: Convert to fraction form
    1,189,642.88/1,641,598.08 = 706,125.44/x
  3. Step 3: Cross multiply
    1,189,642.88x = 1,641,598.08 × 706,125.44
  4. Step 4: Simplify right side
    1,189,642.88x = 1,159,174,166,543.16
  5. Step 5: Solve for x
    x = 1,159,174,166,543.16/1,189,642.88
  6. Step 6: Final answer
    x = 974,388.35

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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.