Home / 1,432,544.01-2,148,582.39-421,429.59

Finding the Fourth Proportional to 1,432,544.01, 2,148,582.39 and 421,429.59

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Solution

The fourth proportional to 1,432,544.01, 2,148,582.39 and 421,429.59 is: 632,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,544.01 : 2,148,582.39 = 421,429.59 : x
  2. Step 2: Convert to fraction form
    1,432,544.01/2,148,582.39 = 421,429.59/x
  3. Step 3: Cross multiply
    1,432,544.01x = 2,148,582.39 × 421,429.59
  4. Step 4: Simplify right side
    1,432,544.01x = 905,476,195,698.92
  5. Step 5: Solve for x
    x = 905,476,195,698.92/1,432,544.01
  6. Step 6: Final answer
    x = 632,075.66

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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.