Home / 1,373,905-1,895,988.90-800,969.32

Finding the Fourth Proportional to 1,373,905, 1,895,988.90 and 800,969.32

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Solution

The fourth proportional to 1,373,905, 1,895,988.90 and 800,969.32 is: 1,105,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,905 : 1,895,988.90 = 800,969.32 : x
  2. Step 2: Convert to fraction form
    1,373,905/1,895,988.90 = 800,969.32/x
  3. Step 3: Cross multiply
    1,373,905x = 1,895,988.90 × 800,969.32
  4. Step 4: Simplify right side
    1,373,905x = 1,518,628,939,960.55
  5. Step 5: Solve for x
    x = 1,518,628,939,960.55/1,373,905
  6. Step 6: Final answer
    x = 1,105,337.66

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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.