Home / 1,943,425.80-2,913,000.30-680,603.40

Finding the Fourth Proportional to 1,943,425.80, 2,913,000.30 and 680,603.40

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Solution

The fourth proportional to 1,943,425.80, 2,913,000.30 and 680,603.40 is: 1,020,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,425.80 : 2,913,000.30 = 680,603.40 : x
  2. Step 2: Convert to fraction form
    1,943,425.80/2,913,000.30 = 680,603.40/x
  3. Step 3: Cross multiply
    1,943,425.80x = 2,913,000.30 × 680,603.40
  4. Step 4: Simplify right side
    1,943,425.80x = 1,982,597,908,381.02
  5. Step 5: Solve for x
    x = 1,982,597,908,381.02/1,943,425.80
  6. Step 6: Final answer
    x = 1,020,156.22

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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.