Home / 1,501,688.70-2,072,382.12-822,625.20

Finding the Fourth Proportional to 1,501,688.70, 2,072,382.12 and 822,625.20

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Solution

The fourth proportional to 1,501,688.70, 2,072,382.12 and 822,625.20 is: 1,135,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,688.70 : 2,072,382.12 = 822,625.20 : x
  2. Step 2: Convert to fraction form
    1,501,688.70/2,072,382.12 = 822,625.20/x
  3. Step 3: Cross multiply
    1,501,688.70x = 2,072,382.12 × 822,625.20
  4. Step 4: Simplify right side
    1,501,688.70x = 1,704,793,755,941.42
  5. Step 5: Solve for x
    x = 1,704,793,755,941.42/1,501,688.70
  6. Step 6: Final answer
    x = 1,135,251.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.