Home / 1,297,320.18-1,946,166.17-398,837.13

Finding the Fourth Proportional to 1,297,320.18, 1,946,166.17 and 398,837.13

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Solution

The fourth proportional to 1,297,320.18, 1,946,166.17 and 398,837.13 is: 598,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,320.18 : 1,946,166.17 = 398,837.13 : x
  2. Step 2: Convert to fraction form
    1,297,320.18/1,946,166.17 = 398,837.13/x
  3. Step 3: Cross multiply
    1,297,320.18x = 1,946,166.17 × 398,837.13
  4. Step 4: Simplify right side
    1,297,320.18x = 776,203,327,751.71
  5. Step 5: Solve for x
    x = 776,203,327,751.71/1,297,320.18
  6. Step 6: Final answer
    x = 598,312.84

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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.