Home / 1,289,070.12-1,932,924.72-435,848.52

Finding the Fourth Proportional to 1,289,070.12, 1,932,924.72 and 435,848.52

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Solution

The fourth proportional to 1,289,070.12, 1,932,924.72 and 435,848.52 is: 653,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,070.12 : 1,932,924.72 = 435,848.52 : x
  2. Step 2: Convert to fraction form
    1,289,070.12/1,932,924.72 = 435,848.52/x
  3. Step 3: Cross multiply
    1,289,070.12x = 1,932,924.72 × 435,848.52
  4. Step 4: Simplify right side
    1,289,070.12x = 842,462,378,483.41
  5. Step 5: Solve for x
    x = 842,462,378,483.41/1,289,070.12
  6. Step 6: Final answer
    x = 653,542.71

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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.