Home / 1,501,651.76-2,072,279.80-822,612.40

Finding the Fourth Proportional to 1,501,651.76, 2,072,279.80 and 822,612.40

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Solution

The fourth proportional to 1,501,651.76, 2,072,279.80 and 822,612.40 is: 1,135,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,651.76 : 2,072,279.80 = 822,612.40 : x
  2. Step 2: Convert to fraction form
    1,501,651.76/2,072,279.80 = 822,612.40/x
  3. Step 3: Cross multiply
    1,501,651.76x = 2,072,279.80 × 822,612.40
  4. Step 4: Simplify right side
    1,501,651.76x = 1,704,683,059,749.52
  5. Step 5: Solve for x
    x = 1,704,683,059,749.52/1,501,651.76
  6. Step 6: Final answer
    x = 1,135,205.32

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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.