Home / 1,424,393.44-1,965,663.40-779,854.56

Finding the Fourth Proportional to 1,424,393.44, 1,965,663.40 and 779,854.56

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Solution

The fourth proportional to 1,424,393.44, 1,965,663.40 and 779,854.56 is: 1,076,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,393.44 : 1,965,663.40 = 779,854.56 : x
  2. Step 2: Convert to fraction form
    1,424,393.44/1,965,663.40 = 779,854.56/x
  3. Step 3: Cross multiply
    1,424,393.44x = 1,965,663.40 × 779,854.56
  4. Step 4: Simplify right side
    1,424,393.44x = 1,532,931,565,915.10
  5. Step 5: Solve for x
    x = 1,532,931,565,915.10/1,424,393.44
  6. Step 6: Final answer
    x = 1,076,199.54

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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.