Home / 1,323,140.16-1,982,871.54-690,792.60

Finding the Fourth Proportional to 1,323,140.16, 1,982,871.54 and 690,792.60

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Solution

The fourth proportional to 1,323,140.16, 1,982,871.54 and 690,792.60 is: 1,035,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,140.16 : 1,982,871.54 = 690,792.60 : x
  2. Step 2: Convert to fraction form
    1,323,140.16/1,982,871.54 = 690,792.60/x
  3. Step 3: Cross multiply
    1,323,140.16x = 1,982,871.54 × 690,792.60
  4. Step 4: Simplify right side
    1,323,140.16x = 1,369,752,986,582.60
  5. Step 5: Solve for x
    x = 1,369,752,986,582.60/1,323,140.16
  6. Step 6: Final answer
    x = 1,035,228.94

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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.