Home / 1,086,873.52-1,630,634.28-518,681.20

Finding the Fourth Proportional to 1,086,873.52, 1,630,634.28 and 518,681.20

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Solution

The fourth proportional to 1,086,873.52, 1,630,634.28 and 518,681.20 is: 778,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,873.52 : 1,630,634.28 = 518,681.20 : x
  2. Step 2: Convert to fraction form
    1,086,873.52/1,630,634.28 = 518,681.20/x
  3. Step 3: Cross multiply
    1,086,873.52x = 1,630,634.28 × 518,681.20
  4. Step 4: Simplify right side
    1,086,873.52x = 845,779,345,111.54
  5. Step 5: Solve for x
    x = 845,779,345,111.54/1,086,873.52
  6. Step 6: Final answer
    x = 778,176.42

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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.