Home / 1,352,298.87-1,866,222.72-771,616.54

Finding the Fourth Proportional to 1,352,298.87, 1,866,222.72 and 771,616.54

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Solution

The fourth proportional to 1,352,298.87, 1,866,222.72 and 771,616.54 is: 1,064,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,298.87 : 1,866,222.72 = 771,616.54 : x
  2. Step 2: Convert to fraction form
    1,352,298.87/1,866,222.72 = 771,616.54/x
  3. Step 3: Cross multiply
    1,352,298.87x = 1,866,222.72 × 771,616.54
  4. Step 4: Simplify right side
    1,352,298.87x = 1,440,008,316,146.75
  5. Step 5: Solve for x
    x = 1,440,008,316,146.75/1,352,298.87
  6. Step 6: Final answer
    x = 1,064,859.51

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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.