Home / 1,447,500.71-1,997,616.20-802,920.74

Finding the Fourth Proportional to 1,447,500.71, 1,997,616.20 and 802,920.74

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Solution

The fourth proportional to 1,447,500.71, 1,997,616.20 and 802,920.74 is: 1,108,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,500.71 : 1,997,616.20 = 802,920.74 : x
  2. Step 2: Convert to fraction form
    1,447,500.71/1,997,616.20 = 802,920.74/x
  3. Step 3: Cross multiply
    1,447,500.71x = 1,997,616.20 × 802,920.74
  4. Step 4: Simplify right side
    1,447,500.71x = 1,603,927,463,537.30
  5. Step 5: Solve for x
    x = 1,603,927,463,537.30/1,447,500.71
  6. Step 6: Final answer
    x = 1,108,066.79

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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.