Home / 1,118,427.90-1,677,921.30-360,340.80

Finding the Fourth Proportional to 1,118,427.90, 1,677,921.30 and 360,340.80

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Solution

The fourth proportional to 1,118,427.90, 1,677,921.30 and 360,340.80 is: 540,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,427.90 : 1,677,921.30 = 360,340.80 : x
  2. Step 2: Convert to fraction form
    1,118,427.90/1,677,921.30 = 360,340.80/x
  3. Step 3: Cross multiply
    1,118,427.90x = 1,677,921.30 × 360,340.80
  4. Step 4: Simplify right side
    1,118,427.90x = 604,623,503,579.04
  5. Step 5: Solve for x
    x = 604,623,503,579.04/1,118,427.90
  6. Step 6: Final answer
    x = 540,601.23

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1.5x scale

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.