Home / 1,431,929.02-2,148,488.35-579,603.18

Finding the Fourth Proportional to 1,431,929.02, 2,148,488.35 and 579,603.18

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Solution

The fourth proportional to 1,431,929.02, 2,148,488.35 and 579,603.18 is: 869,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,929.02 : 2,148,488.35 = 579,603.18 : x
  2. Step 2: Convert to fraction form
    1,431,929.02/2,148,488.35 = 579,603.18/x
  3. Step 3: Cross multiply
    1,431,929.02x = 2,148,488.35 × 579,603.18
  4. Step 4: Simplify right side
    1,431,929.02x = 1,245,270,687,107.25
  5. Step 5: Solve for x
    x = 1,245,270,687,107.25/1,431,929.02
  6. Step 6: Final answer
    x = 869,645.54

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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.