Home / 1,486,808.51-2,230,305.10-421,933.91

Finding the Fourth Proportional to 1,486,808.51, 2,230,305.10 and 421,933.91

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Solution

The fourth proportional to 1,486,808.51, 2,230,305.10 and 421,933.91 is: 632,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,808.51 : 2,230,305.10 = 421,933.91 : x
  2. Step 2: Convert to fraction form
    1,486,808.51/2,230,305.10 = 421,933.91/x
  3. Step 3: Cross multiply
    1,486,808.51x = 2,230,305.10 × 421,933.91
  4. Step 4: Simplify right side
    1,486,808.51x = 941,041,339,129.58
  5. Step 5: Solve for x
    x = 941,041,339,129.58/1,486,808.51
  6. Step 6: Final answer
    x = 632,927.06

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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.