Home / 1,360,369.84-1,877,472.12-779,800.72

Finding the Fourth Proportional to 1,360,369.84, 1,877,472.12 and 779,800.72

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Solution

The fourth proportional to 1,360,369.84, 1,877,472.12 and 779,800.72 is: 1,076,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,369.84 : 1,877,472.12 = 779,800.72 : x
  2. Step 2: Convert to fraction form
    1,360,369.84/1,877,472.12 = 779,800.72/x
  3. Step 3: Cross multiply
    1,360,369.84x = 1,877,472.12 × 779,800.72
  4. Step 4: Simplify right side
    1,360,369.84x = 1,464,054,110,955.93
  5. Step 5: Solve for x
    x = 1,464,054,110,955.93/1,360,369.84
  6. Step 6: Final answer
    x = 1,076,217.71

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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.