Home / 1,142,405.32-1,713,848.56-432,417.64

Finding the Fourth Proportional to 1,142,405.32, 1,713,848.56 and 432,417.64

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Solution

The fourth proportional to 1,142,405.32, 1,713,848.56 and 432,417.64 is: 648,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,405.32 : 1,713,848.56 = 432,417.64 : x
  2. Step 2: Convert to fraction form
    1,142,405.32/1,713,848.56 = 432,417.64/x
  3. Step 3: Cross multiply
    1,142,405.32x = 1,713,848.56 × 432,417.64
  4. Step 4: Simplify right side
    1,142,405.32x = 741,098,349,632.60
  5. Step 5: Solve for x
    x = 741,098,349,632.60/1,142,405.32
  6. Step 6: Final answer
    x = 648,717.52

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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.