Home / 1,656,330.72-2,285,818.56-1,011,646.56

Finding the Fourth Proportional to 1,656,330.72, 2,285,818.56 and 1,011,646.56

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Solution

The fourth proportional to 1,656,330.72, 2,285,818.56 and 1,011,646.56 is: 1,396,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,330.72 : 2,285,818.56 = 1,011,646.56 : x
  2. Step 2: Convert to fraction form
    1,656,330.72/2,285,818.56 = 1,011,646.56/x
  3. Step 3: Cross multiply
    1,656,330.72x = 2,285,818.56 × 1,011,646.56
  4. Step 4: Simplify right side
    1,656,330.72x = 2,312,440,483,008.15
  5. Step 5: Solve for x
    x = 2,312,440,483,008.15/1,656,330.72
  6. Step 6: Final answer
    x = 1,396,122.44

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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.