Home / 1,210,186.26-1,814,856.12-357,031.32

Finding the Fourth Proportional to 1,210,186.26, 1,814,856.12 and 357,031.32

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Solution

The fourth proportional to 1,210,186.26, 1,814,856.12 and 357,031.32 is: 535,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,186.26 : 1,814,856.12 = 357,031.32 : x
  2. Step 2: Convert to fraction form
    1,210,186.26/1,814,856.12 = 357,031.32/x
  3. Step 3: Cross multiply
    1,210,186.26x = 1,814,856.12 × 357,031.32
  4. Step 4: Simplify right side
    1,210,186.26x = 647,960,476,133.68
  5. Step 5: Solve for x
    x = 647,960,476,133.68/1,210,186.26
  6. Step 6: Final answer
    x = 535,422.11

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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.