Home / 1,274,492.60-1,911,178.02-675,315.66

Finding the Fourth Proportional to 1,274,492.60, 1,911,178.02 and 675,315.66

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Solution

The fourth proportional to 1,274,492.60, 1,911,178.02 and 675,315.66 is: 1,012,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,492.60 : 1,911,178.02 = 675,315.66 : x
  2. Step 2: Convert to fraction form
    1,274,492.60/1,911,178.02 = 675,315.66/x
  3. Step 3: Cross multiply
    1,274,492.60x = 1,911,178.02 × 675,315.66
  4. Step 4: Simplify right side
    1,274,492.60x = 1,290,648,444,902.77
  5. Step 5: Solve for x
    x = 1,290,648,444,902.77/1,274,492.60
  6. Step 6: Final answer
    x = 1,012,676.29

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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.