Home / 1,235,711.30-1,853,566.95-760,856.90

Finding the Fourth Proportional to 1,235,711.30, 1,853,566.95 and 760,856.90

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Solution

The fourth proportional to 1,235,711.30, 1,853,566.95 and 760,856.90 is: 1,141,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,711.30 : 1,853,566.95 = 760,856.90 : x
  2. Step 2: Convert to fraction form
    1,235,711.30/1,853,566.95 = 760,856.90/x
  3. Step 3: Cross multiply
    1,235,711.30x = 1,853,566.95 × 760,856.90
  4. Step 4: Simplify right side
    1,235,711.30x = 1,410,299,203,519.46
  5. Step 5: Solve for x
    x = 1,410,299,203,519.46/1,235,711.30
  6. Step 6: Final answer
    x = 1,141,285.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.