Home / 971,920.10-1,453,214.55-719,977.70

Finding the Fourth Proportional to 971,920.10, 1,453,214.55 and 719,977.70

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Solution

The fourth proportional to 971,920.10, 1,453,214.55 and 719,977.70 is: 1,076,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,920.10 : 1,453,214.55 = 719,977.70 : x
  2. Step 2: Convert to fraction form
    971,920.10/1,453,214.55 = 719,977.70/x
  3. Step 3: Cross multiply
    971,920.10x = 1,453,214.55 × 719,977.70
  4. Step 4: Simplify right side
    971,920.10x = 1,046,282,069,315.53
  5. Step 5: Solve for x
    x = 1,046,282,069,315.53/971,920.10
  6. Step 6: Final answer
    x = 1,076,510.37

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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.