Home / 1,420,159.24-2,130,239.18-355,201.42

Finding the Fourth Proportional to 1,420,159.24, 2,130,239.18 and 355,201.42

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Solution

The fourth proportional to 1,420,159.24, 2,130,239.18 and 355,201.42 is: 532,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,159.24 : 2,130,239.18 = 355,201.42 : x
  2. Step 2: Convert to fraction form
    1,420,159.24/2,130,239.18 = 355,201.42/x
  3. Step 3: Cross multiply
    1,420,159.24x = 2,130,239.18 × 355,201.42
  4. Step 4: Simplify right side
    1,420,159.24x = 756,663,981,675.64
  5. Step 5: Solve for x
    x = 756,663,981,675.64/1,420,159.24
  6. Step 6: Final answer
    x = 532,802.21

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1.5x scale

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.