Home / 1,265,725.28-1,899,496.64-497,339.84

Finding the Fourth Proportional to 1,265,725.28, 1,899,496.64 and 497,339.84

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Solution

The fourth proportional to 1,265,725.28, 1,899,496.64 and 497,339.84 is: 746,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,725.28 : 1,899,496.64 = 497,339.84 : x
  2. Step 2: Convert to fraction form
    1,265,725.28/1,899,496.64 = 497,339.84/x
  3. Step 3: Cross multiply
    1,265,725.28x = 1,899,496.64 × 497,339.84
  4. Step 4: Simplify right side
    1,265,725.28x = 944,695,355,018.14
  5. Step 5: Solve for x
    x = 944,695,355,018.14/1,265,725.28
  6. Step 6: Final answer
    x = 746,366.82

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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.