Home / 1,201,518.70-1,803,298.65-492,055.90

Finding the Fourth Proportional to 1,201,518.70, 1,803,298.65 and 492,055.90

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Solution

The fourth proportional to 1,201,518.70, 1,803,298.65 and 492,055.90 is: 738,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,518.70 : 1,803,298.65 = 492,055.90 : x
  2. Step 2: Convert to fraction form
    1,201,518.70/1,803,298.65 = 492,055.90/x
  3. Step 3: Cross multiply
    1,201,518.70x = 1,803,298.65 × 492,055.90
  4. Step 4: Simplify right side
    1,201,518.70x = 887,323,740,194.54
  5. Step 5: Solve for x
    x = 887,323,740,194.54/1,201,518.70
  6. Step 6: Final answer
    x = 738,501.81

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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.