Home / 1,213,477.70-1,820,216.55-371,920.10

Finding the Fourth Proportional to 1,213,477.70, 1,820,216.55 and 371,920.10

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Solution

The fourth proportional to 1,213,477.70, 1,820,216.55 and 371,920.10 is: 557,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,477.70 : 1,820,216.55 = 371,920.10 : x
  2. Step 2: Convert to fraction form
    1,213,477.70/1,820,216.55 = 371,920.10/x
  3. Step 3: Cross multiply
    1,213,477.70x = 1,820,216.55 × 371,920.10
  4. Step 4: Simplify right side
    1,213,477.70x = 676,975,121,297.66
  5. Step 5: Solve for x
    x = 676,975,121,297.66/1,213,477.70
  6. Step 6: Final answer
    x = 557,880.15

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1.5x scale

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.