Home / 1,688,046.91-2,532,319.41-489,813.46

Finding the Fourth Proportional to 1,688,046.91, 2,532,319.41 and 489,813.46

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Solution

The fourth proportional to 1,688,046.91, 2,532,319.41 and 489,813.46 is: 734,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,046.91 : 2,532,319.41 = 489,813.46 : x
  2. Step 2: Convert to fraction form
    1,688,046.91/2,532,319.41 = 489,813.46/x
  3. Step 3: Cross multiply
    1,688,046.91x = 2,532,319.41 × 489,813.46
  4. Step 4: Simplify right side
    1,688,046.91x = 1,240,364,132,037.26
  5. Step 5: Solve for x
    x = 1,240,364,132,037.26/1,688,046.91
  6. Step 6: Final answer
    x = 734,792.45

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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.