Home / 1,223,339.99-1,688,341.50-740,171.54

Finding the Fourth Proportional to 1,223,339.99, 1,688,341.50 and 740,171.54

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Solution

The fourth proportional to 1,223,339.99, 1,688,341.50 and 740,171.54 is: 1,021,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,339.99 : 1,688,341.50 = 740,171.54 : x
  2. Step 2: Convert to fraction form
    1,223,339.99/1,688,341.50 = 740,171.54/x
  3. Step 3: Cross multiply
    1,223,339.99x = 1,688,341.50 × 740,171.54
  4. Step 4: Simplify right side
    1,223,339.99x = 1,249,662,332,321.76
  5. Step 5: Solve for x
    x = 1,249,662,332,321.76/1,223,339.99
  6. Step 6: Final answer
    x = 1,021,516.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.