Home / 1,341,739.36-2,012,643.06-395,142.58

Finding the Fourth Proportional to 1,341,739.36, 2,012,643.06 and 395,142.58

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Solution

The fourth proportional to 1,341,739.36, 2,012,643.06 and 395,142.58 is: 592,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,739.36 : 2,012,643.06 = 395,142.58 : x
  2. Step 2: Convert to fraction form
    1,341,739.36/2,012,643.06 = 395,142.58/x
  3. Step 3: Cross multiply
    1,341,739.36x = 2,012,643.06 × 395,142.58
  4. Step 4: Simplify right side
    1,341,739.36x = 795,280,971,347.50
  5. Step 5: Solve for x
    x = 795,280,971,347.50/1,341,739.36
  6. Step 6: Final answer
    x = 592,723.89

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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.