Home / 1,208,316.49-1,812,219.43-355,156.09

Finding the Fourth Proportional to 1,208,316.49, 1,812,219.43 and 355,156.09

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Solution

The fourth proportional to 1,208,316.49, 1,812,219.43 and 355,156.09 is: 532,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,316.49 : 1,812,219.43 = 355,156.09 : x
  2. Step 2: Convert to fraction form
    1,208,316.49/1,812,219.43 = 355,156.09/x
  3. Step 3: Cross multiply
    1,208,316.49x = 1,812,219.43 × 355,156.09
  4. Step 4: Simplify right side
    1,208,316.49x = 643,620,772,422.04
  5. Step 5: Solve for x
    x = 643,620,772,422.04/1,208,316.49
  6. Step 6: Final answer
    x = 532,659.10

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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.