Home / 1,680,003.32-2,520,014.09-417,830.94

Finding the Fourth Proportional to 1,680,003.32, 2,520,014.09 and 417,830.94

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Solution

The fourth proportional to 1,680,003.32, 2,520,014.09 and 417,830.94 is: 626,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,003.32 : 2,520,014.09 = 417,830.94 : x
  2. Step 2: Convert to fraction form
    1,680,003.32/2,520,014.09 = 417,830.94/x
  3. Step 3: Cross multiply
    1,680,003.32x = 2,520,014.09 × 417,830.94
  4. Step 4: Simplify right side
    1,680,003.32x = 1,052,939,853,948.79
  5. Step 5: Solve for x
    x = 1,052,939,853,948.79/1,680,003.32
  6. Step 6: Final answer
    x = 626,748.68

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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.