Home / 1,424,424.32-1,965,711.36-779,904.52

Finding the Fourth Proportional to 1,424,424.32, 1,965,711.36 and 779,904.52

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Solution

The fourth proportional to 1,424,424.32, 1,965,711.36 and 779,904.52 is: 1,076,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,424.32 : 1,965,711.36 = 779,904.52 : x
  2. Step 2: Convert to fraction form
    1,424,424.32/1,965,711.36 = 779,904.52/x
  3. Step 3: Cross multiply
    1,424,424.32x = 1,965,711.36 × 779,904.52
  4. Step 4: Simplify right side
    1,424,424.32x = 1,533,067,174,679.35
  5. Step 5: Solve for x
    x = 1,533,067,174,679.35/1,424,424.32
  6. Step 6: Final answer
    x = 1,076,271.41

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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.