Home / 1,262,808.35-1,894,228.94-421,360.10

Finding the Fourth Proportional to 1,262,808.35, 1,894,228.94 and 421,360.10

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Solution

The fourth proportional to 1,262,808.35, 1,894,228.94 and 421,360.10 is: 632,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,808.35 : 1,894,228.94 = 421,360.10 : x
  2. Step 2: Convert to fraction form
    1,262,808.35/1,894,228.94 = 421,360.10/x
  3. Step 3: Cross multiply
    1,262,808.35x = 1,894,228.94 × 421,360.10
  4. Step 4: Simplify right side
    1,262,808.35x = 798,152,499,594.43
  5. Step 5: Solve for x
    x = 798,152,499,594.43/1,262,808.35
  6. Step 6: Final answer
    x = 632,045.63

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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.