Home / 1,012,373.40-1,520,309.70-539,981.40

Finding the Fourth Proportional to 1,012,373.40, 1,520,309.70 and 539,981.40

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Solution

The fourth proportional to 1,012,373.40, 1,520,309.70 and 539,981.40 is: 810,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,373.40 : 1,520,309.70 = 539,981.40 : x
  2. Step 2: Convert to fraction form
    1,012,373.40/1,520,309.70 = 539,981.40/x
  3. Step 3: Cross multiply
    1,012,373.40x = 1,520,309.70 × 539,981.40
  4. Step 4: Simplify right side
    1,012,373.40x = 820,938,960,239.58
  5. Step 5: Solve for x
    x = 820,938,960,239.58/1,012,373.40
  6. Step 6: Final answer
    x = 810,905.30

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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.