Home / 1,919,492.61-2,877,024.33-720,650.28

Finding the Fourth Proportional to 1,919,492.61, 2,877,024.33 and 720,650.28

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Solution

The fourth proportional to 1,919,492.61, 2,877,024.33 and 720,650.28 is: 1,080,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,492.61 : 2,877,024.33 = 720,650.28 : x
  2. Step 2: Convert to fraction form
    1,919,492.61/2,877,024.33 = 720,650.28/x
  3. Step 3: Cross multiply
    1,919,492.61x = 2,877,024.33 × 720,650.28
  4. Step 4: Simplify right side
    1,919,492.61x = 2,073,328,374,596.19
  5. Step 5: Solve for x
    x = 2,073,328,374,596.19/1,919,492.61
  6. Step 6: Final answer
    x = 1,080,143.98

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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.