Home / 1,000,355.80-1,379,596.86-729,056.04

Finding the Fourth Proportional to 1,000,355.80, 1,379,596.86 and 729,056.04

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Solution

The fourth proportional to 1,000,355.80, 1,379,596.86 and 729,056.04 is: 1,005,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,355.80 : 1,379,596.86 = 729,056.04 : x
  2. Step 2: Convert to fraction form
    1,000,355.80/1,379,596.86 = 729,056.04/x
  3. Step 3: Cross multiply
    1,000,355.80x = 1,379,596.86 × 729,056.04
  4. Step 4: Simplify right side
    1,000,355.80x = 1,005,803,423,548.03
  5. Step 5: Solve for x
    x = 1,005,803,423,548.03/1,000,355.80
  6. Step 6: Final answer
    x = 1,005,445.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.