Home / 1,384,851.20-2,078,443.20-544,006.40

Finding the Fourth Proportional to 1,384,851.20, 2,078,443.20 and 544,006.40

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Solution

The fourth proportional to 1,384,851.20, 2,078,443.20 and 544,006.40 is: 816,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,851.20 : 2,078,443.20 = 544,006.40 : x
  2. Step 2: Convert to fraction form
    1,384,851.20/2,078,443.20 = 544,006.40/x
  3. Step 3: Cross multiply
    1,384,851.20x = 2,078,443.20 × 544,006.40
  4. Step 4: Simplify right side
    1,384,851.20x = 1,130,686,402,836.48
  5. Step 5: Solve for x
    x = 1,130,686,402,836.48/1,384,851.20
  6. Step 6: Final answer
    x = 816,467.79

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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.