Home / 1,188,487.02-1,783,274.85-514,774.38

Finding the Fourth Proportional to 1,188,487.02, 1,783,274.85 and 514,774.38

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Solution

The fourth proportional to 1,188,487.02, 1,783,274.85 and 514,774.38 is: 772,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,487.02 : 1,783,274.85 = 514,774.38 : x
  2. Step 2: Convert to fraction form
    1,188,487.02/1,783,274.85 = 514,774.38/x
  3. Step 3: Cross multiply
    1,188,487.02x = 1,783,274.85 × 514,774.38
  4. Step 4: Simplify right side
    1,188,487.02x = 917,984,205,278.34
  5. Step 5: Solve for x
    x = 917,984,205,278.34/1,188,487.02
  6. Step 6: Final answer
    x = 772,397.33

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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.