Home / 1,118,443.90-1,677,945.30-360,356.80

Finding the Fourth Proportional to 1,118,443.90, 1,677,945.30 and 360,356.80

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Solution

The fourth proportional to 1,118,443.90, 1,677,945.30 and 360,356.80 is: 540,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,443.90 : 1,677,945.30 = 360,356.80 : x
  2. Step 2: Convert to fraction form
    1,118,443.90/1,677,945.30 = 360,356.80/x
  3. Step 3: Cross multiply
    1,118,443.90x = 1,677,945.30 × 360,356.80
  4. Step 4: Simplify right side
    1,118,443.90x = 604,658,998,883.04
  5. Step 5: Solve for x
    x = 604,658,998,883.04/1,118,443.90
  6. Step 6: Final answer
    x = 540,625.24

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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.