Home / 1,313,265.74-1,969,957.60-402,381.46

Finding the Fourth Proportional to 1,313,265.74, 1,969,957.60 and 402,381.46

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Solution

The fourth proportional to 1,313,265.74, 1,969,957.60 and 402,381.46 is: 603,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,265.74 : 1,969,957.60 = 402,381.46 : x
  2. Step 2: Convert to fraction form
    1,313,265.74/1,969,957.60 = 402,381.46/x
  3. Step 3: Cross multiply
    1,313,265.74x = 1,969,957.60 × 402,381.46
  4. Step 4: Simplify right side
    1,313,265.74x = 792,674,415,226.10
  5. Step 5: Solve for x
    x = 792,674,415,226.10/1,313,265.74
  6. Step 6: Final answer
    x = 603,590.26

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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.