Home / 971,405.70-1,457,108.55-876,927.30

Finding the Fourth Proportional to 971,405.70, 1,457,108.55 and 876,927.30

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Solution

The fourth proportional to 971,405.70, 1,457,108.55 and 876,927.30 is: 1,315,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,405.70 : 1,457,108.55 = 876,927.30 : x
  2. Step 2: Convert to fraction form
    971,405.70/1,457,108.55 = 876,927.30/x
  3. Step 3: Cross multiply
    971,405.70x = 1,457,108.55 × 876,927.30
  4. Step 4: Simplify right side
    971,405.70x = 1,277,778,266,558.42
  5. Step 5: Solve for x
    x = 1,277,778,266,558.42/971,405.70
  6. Step 6: Final answer
    x = 1,315,390.95

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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.