Home / 1,203,205.20-1,804,807.80-493,742.40

Finding the Fourth Proportional to 1,203,205.20, 1,804,807.80 and 493,742.40

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Solution

The fourth proportional to 1,203,205.20, 1,804,807.80 and 493,742.40 is: 740,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,205.20 : 1,804,807.80 = 493,742.40 : x
  2. Step 2: Convert to fraction form
    1,203,205.20/1,804,807.80 = 493,742.40/x
  3. Step 3: Cross multiply
    1,203,205.20x = 1,804,807.80 × 493,742.40
  4. Step 4: Simplify right side
    1,203,205.20x = 891,110,134,710.72
  5. Step 5: Solve for x
    x = 891,110,134,710.72/1,203,205.20
  6. Step 6: Final answer
    x = 740,613.60

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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.