Home / 1,306,465.57-1,959,697.63-407,984.31

Finding the Fourth Proportional to 1,306,465.57, 1,959,697.63 and 407,984.31

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Solution

The fourth proportional to 1,306,465.57, 1,959,697.63 and 407,984.31 is: 611,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,465.57 : 1,959,697.63 = 407,984.31 : x
  2. Step 2: Convert to fraction form
    1,306,465.57/1,959,697.63 = 407,984.31/x
  3. Step 3: Cross multiply
    1,306,465.57x = 1,959,697.63 × 407,984.31
  4. Step 4: Simplify right side
    1,306,465.57x = 799,525,885,384.19
  5. Step 5: Solve for x
    x = 799,525,885,384.19/1,306,465.57
  6. Step 6: Final answer
    x = 611,976.24

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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.