Home / 1,429,322.68-2,143,656.57-853,108.52

Finding the Fourth Proportional to 1,429,322.68, 2,143,656.57 and 853,108.52

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Solution

The fourth proportional to 1,429,322.68, 2,143,656.57 and 853,108.52 is: 1,279,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,322.68 : 2,143,656.57 = 853,108.52 : x
  2. Step 2: Convert to fraction form
    1,429,322.68/2,143,656.57 = 853,108.52/x
  3. Step 3: Cross multiply
    1,429,322.68x = 2,143,656.57 × 853,108.52
  4. Step 4: Simplify right side
    1,429,322.68x = 1,828,771,683,820.98
  5. Step 5: Solve for x
    x = 1,828,771,683,820.98/1,429,322.68
  6. Step 6: Final answer
    x = 1,279,467.34

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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.