Home / 1,297,748.18-1,790,632.41-724,700.18

Finding the Fourth Proportional to 1,297,748.18, 1,790,632.41 and 724,700.18

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Solution

The fourth proportional to 1,297,748.18, 1,790,632.41 and 724,700.18 is: 999,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,748.18 : 1,790,632.41 = 724,700.18 : x
  2. Step 2: Convert to fraction form
    1,297,748.18/1,790,632.41 = 724,700.18/x
  3. Step 3: Cross multiply
    1,297,748.18x = 1,790,632.41 × 724,700.18
  4. Step 4: Simplify right side
    1,297,748.18x = 1,297,671,629,840.83
  5. Step 5: Solve for x
    x = 1,297,671,629,840.83/1,297,748.18
  6. Step 6: Final answer
    x = 999,941.01

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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.