Home / 1,200,970.87-1,801,459.44-442,483.70

Finding the Fourth Proportional to 1,200,970.87, 1,801,459.44 and 442,483.70

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Solution

The fourth proportional to 1,200,970.87, 1,801,459.44 and 442,483.70 is: 663,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,970.87 : 1,801,459.44 = 442,483.70 : x
  2. Step 2: Convert to fraction form
    1,200,970.87/1,801,459.44 = 442,483.70/x
  3. Step 3: Cross multiply
    1,200,970.87x = 1,801,459.44 × 442,483.70
  4. Step 4: Simplify right side
    1,200,970.87x = 797,116,429,403.83
  5. Step 5: Solve for x
    x = 797,116,429,403.83/1,200,970.87
  6. Step 6: Final answer
    x = 663,726.70

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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.