Home / 1,780,123.77-2,670,440.13-549,235.98

Finding the Fourth Proportional to 1,780,123.77, 2,670,440.13 and 549,235.98

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Solution

The fourth proportional to 1,780,123.77, 2,670,440.13 and 549,235.98 is: 823,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,123.77 : 2,670,440.13 = 549,235.98 : x
  2. Step 2: Convert to fraction form
    1,780,123.77/2,670,440.13 = 549,235.98/x
  3. Step 3: Cross multiply
    1,780,123.77x = 2,670,440.13 × 549,235.98
  4. Step 4: Simplify right side
    1,780,123.77x = 1,466,701,801,831.88
  5. Step 5: Solve for x
    x = 1,466,701,801,831.88/1,780,123.77
  6. Step 6: Final answer
    x = 823,932.49

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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.