Home / 1,030,385.40-1,545,561.90-282,431.40

Finding the Fourth Proportional to 1,030,385.40, 1,545,561.90 and 282,431.40

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Solution

The fourth proportional to 1,030,385.40, 1,545,561.90 and 282,431.40 is: 423,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,385.40 : 1,545,561.90 = 282,431.40 : x
  2. Step 2: Convert to fraction form
    1,030,385.40/1,545,561.90 = 282,431.40/x
  3. Step 3: Cross multiply
    1,030,385.40x = 1,545,561.90 × 282,431.40
  4. Step 4: Simplify right side
    1,030,385.40x = 436,515,211,203.66
  5. Step 5: Solve for x
    x = 436,515,211,203.66/1,030,385.40
  6. Step 6: Final answer
    x = 423,642.66

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Double scale
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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.