Home / 1,208,721.29-1,812,884.75-355,593.35

Finding the Fourth Proportional to 1,208,721.29, 1,812,884.75 and 355,593.35

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Solution

The fourth proportional to 1,208,721.29, 1,812,884.75 and 355,593.35 is: 533,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,721.29 : 1,812,884.75 = 355,593.35 : x
  2. Step 2: Convert to fraction form
    1,208,721.29/1,812,884.75 = 355,593.35/x
  3. Step 3: Cross multiply
    1,208,721.29x = 1,812,884.75 × 355,593.35
  4. Step 4: Simplify right side
    1,208,721.29x = 644,649,750,574.02
  5. Step 5: Solve for x
    x = 644,649,750,574.02/1,208,721.29
  6. Step 6: Final answer
    x = 533,332.01

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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.