Home / 1,895,106.78-2,842,348.73-680,431.95

Finding the Fourth Proportional to 1,895,106.78, 2,842,348.73 and 680,431.95

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Solution

The fourth proportional to 1,895,106.78, 2,842,348.73 and 680,431.95 is: 1,020,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,106.78 : 2,842,348.73 = 680,431.95 : x
  2. Step 2: Convert to fraction form
    1,895,106.78/2,842,348.73 = 680,431.95/x
  3. Step 3: Cross multiply
    1,895,106.78x = 2,842,348.73 × 680,431.95
  4. Step 4: Simplify right side
    1,895,106.78x = 1,934,024,885,531.76
  5. Step 5: Solve for x
    x = 1,934,024,885,531.76/1,895,106.78
  6. Step 6: Final answer
    x = 1,020,536.10

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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.