Home / 1,012,801.80-1,518,252.30-382,139.40

Finding the Fourth Proportional to 1,012,801.80, 1,518,252.30 and 382,139.40

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Solution

The fourth proportional to 1,012,801.80, 1,518,252.30 and 382,139.40 is: 572,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,801.80 : 1,518,252.30 = 382,139.40 : x
  2. Step 2: Convert to fraction form
    1,012,801.80/1,518,252.30 = 382,139.40/x
  3. Step 3: Cross multiply
    1,012,801.80x = 1,518,252.30 × 382,139.40
  4. Step 4: Simplify right side
    1,012,801.80x = 580,184,022,970.62
  5. Step 5: Solve for x
    x = 580,184,022,970.62/1,012,801.80
  6. Step 6: Final answer
    x = 572,850.51

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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.