Home / 1,300,856.40-1,950,799.14-447,689.34

Finding the Fourth Proportional to 1,300,856.40, 1,950,799.14 and 447,689.34

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Solution

The fourth proportional to 1,300,856.40, 1,950,799.14 and 447,689.34 is: 671,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,856.40 : 1,950,799.14 = 447,689.34 : x
  2. Step 2: Convert to fraction form
    1,300,856.40/1,950,799.14 = 447,689.34/x
  3. Step 3: Cross multiply
    1,300,856.40x = 1,950,799.14 × 447,689.34
  4. Step 4: Simplify right side
    1,300,856.40x = 873,351,979,459.17
  5. Step 5: Solve for x
    x = 873,351,979,459.17/1,300,856.40
  6. Step 6: Final answer
    x = 671,366.94

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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.