Home / 1,188,959.88-1,783,065.16-390,055.26

Finding the Fourth Proportional to 1,188,959.88, 1,783,065.16 and 390,055.26

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Solution

The fourth proportional to 1,188,959.88, 1,783,065.16 and 390,055.26 is: 584,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,959.88 : 1,783,065.16 = 390,055.26 : x
  2. Step 2: Convert to fraction form
    1,188,959.88/1,783,065.16 = 390,055.26/x
  3. Step 3: Cross multiply
    1,188,959.88x = 1,783,065.16 × 390,055.26
  4. Step 4: Simplify right side
    1,188,959.88x = 695,493,944,580.74
  5. Step 5: Solve for x
    x = 695,493,944,580.74/1,188,959.88
  6. Step 6: Final answer
    x = 584,959.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.