Home / 1,297,216.83-1,790,084.01-724,293.30

Finding the Fourth Proportional to 1,297,216.83, 1,790,084.01 and 724,293.30

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Solution

The fourth proportional to 1,297,216.83, 1,790,084.01 and 724,293.30 is: 999,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,216.83 : 1,790,084.01 = 724,293.30 : x
  2. Step 2: Convert to fraction form
    1,297,216.83/1,790,084.01 = 724,293.30/x
  3. Step 3: Cross multiply
    1,297,216.83x = 1,790,084.01 × 724,293.30
  4. Step 4: Simplify right side
    1,297,216.83x = 1,296,545,854,880.13
  5. Step 5: Solve for x
    x = 1,296,545,854,880.13/1,297,216.83
  6. Step 6: Final answer
    x = 999,482.76

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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.