Home / 1,313,272.04-1,969,968.36-402,389.24

Finding the Fourth Proportional to 1,313,272.04, 1,969,968.36 and 402,389.24

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Solution

The fourth proportional to 1,313,272.04, 1,969,968.36 and 402,389.24 is: 603,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,272.04 : 1,969,968.36 = 402,389.24 : x
  2. Step 2: Convert to fraction form
    1,313,272.04/1,969,968.36 = 402,389.24/x
  3. Step 3: Cross multiply
    1,313,272.04x = 1,969,968.36 × 402,389.24
  4. Step 4: Simplify right side
    1,313,272.04x = 792,694,071,204.45
  5. Step 5: Solve for x
    x = 792,694,071,204.45/1,313,272.04
  6. Step 6: Final answer
    x = 603,602.34

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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.