Home / 1,501,734.70-2,072,445.60-822,671.20

Finding the Fourth Proportional to 1,501,734.70, 2,072,445.60 and 822,671.20

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Solution

The fourth proportional to 1,501,734.70, 2,072,445.60 and 822,671.20 is: 1,135,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,734.70 : 2,072,445.60 = 822,671.20 : x
  2. Step 2: Convert to fraction form
    1,501,734.70/2,072,445.60 = 822,671.20/x
  3. Step 3: Cross multiply
    1,501,734.70x = 2,072,445.60 × 822,671.20
  4. Step 4: Simplify right side
    1,501,734.70x = 1,704,941,308,686.72
  5. Step 5: Solve for x
    x = 1,704,941,308,686.72/1,501,734.70
  6. Step 6: Final answer
    x = 1,135,314.59

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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.