Home / 1,352,423.52-1,866,341.52-779,459.76

Finding the Fourth Proportional to 1,352,423.52, 1,866,341.52 and 779,459.76

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Solution

The fourth proportional to 1,352,423.52, 1,866,341.52 and 779,459.76 is: 1,075,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,423.52 : 1,866,341.52 = 779,459.76 : x
  2. Step 2: Convert to fraction form
    1,352,423.52/1,866,341.52 = 779,459.76/x
  3. Step 3: Cross multiply
    1,352,423.52x = 1,866,341.52 × 779,459.76
  4. Step 4: Simplify right side
    1,352,423.52x = 1,454,738,113,257.24
  5. Step 5: Solve for x
    x = 1,454,738,113,257.24/1,352,423.52
  6. Step 6: Final answer
    x = 1,075,652.78

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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.