Home / 1,012,875.80-1,518,363.30-382,213.40

Finding the Fourth Proportional to 1,012,875.80, 1,518,363.30 and 382,213.40

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Solution

The fourth proportional to 1,012,875.80, 1,518,363.30 and 382,213.40 is: 572,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,875.80 : 1,518,363.30 = 382,213.40 : x
  2. Step 2: Convert to fraction form
    1,012,875.80/1,518,363.30 = 382,213.40/x
  3. Step 3: Cross multiply
    1,012,875.80x = 1,518,363.30 × 382,213.40
  4. Step 4: Simplify right side
    1,012,875.80x = 580,338,799,328.22
  5. Step 5: Solve for x
    x = 580,338,799,328.22/1,012,875.80
  6. Step 6: Final answer
    x = 572,961.46

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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.