Home / 1,580,429.16-2,180,997.68-855,276.66

Finding the Fourth Proportional to 1,580,429.16, 2,180,997.68 and 855,276.66

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Solution

The fourth proportional to 1,580,429.16, 2,180,997.68 and 855,276.66 is: 1,180,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,429.16 : 2,180,997.68 = 855,276.66 : x
  2. Step 2: Convert to fraction form
    1,580,429.16/2,180,997.68 = 855,276.66/x
  3. Step 3: Cross multiply
    1,580,429.16x = 2,180,997.68 × 855,276.66
  4. Step 4: Simplify right side
    1,580,429.16x = 1,865,356,406,941.77
  5. Step 5: Solve for x
    x = 1,865,356,406,941.77/1,580,429.16
  6. Step 6: Final answer
    x = 1,180,284.73

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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.