Home / 1,424,369.40-1,965,630.27-779,830.53

Finding the Fourth Proportional to 1,424,369.40, 1,965,630.27 and 779,830.53

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Solution

The fourth proportional to 1,424,369.40, 1,965,630.27 and 779,830.53 is: 1,076,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,369.40 : 1,965,630.27 = 779,830.53 : x
  2. Step 2: Convert to fraction form
    1,424,369.40/1,965,630.27 = 779,830.53/x
  3. Step 3: Cross multiply
    1,424,369.40x = 1,965,630.27 × 779,830.53
  4. Step 4: Simplify right side
    1,424,369.40x = 1,532,858,495,238.14
  5. Step 5: Solve for x
    x = 1,532,858,495,238.14/1,424,369.40
  6. Step 6: Final answer
    x = 1,076,166.40

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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.