Home / 1,363,811.86-1,882,866.72-1,212,490

Finding the Fourth Proportional to 1,363,811.86, 1,882,866.72 and 1,212,490

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Solution

The fourth proportional to 1,363,811.86, 1,882,866.72 and 1,212,490 is: 1,673,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,811.86 : 1,882,866.72 = 1,212,490 : x
  2. Step 2: Convert to fraction form
    1,363,811.86/1,882,866.72 = 1,212,490/x
  3. Step 3: Cross multiply
    1,363,811.86x = 1,882,866.72 × 1,212,490
  4. Step 4: Simplify right side
    1,363,811.86x = 2,282,957,069,332.80
  5. Step 5: Solve for x
    x = 2,282,957,069,332.80/1,363,811.86
  6. Step 6: Final answer
    x = 1,673,953.08

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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.