Home / 1,106,521.86-1,658,798.10-432,449.88

Finding the Fourth Proportional to 1,106,521.86, 1,658,798.10 and 432,449.88

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Solution

The fourth proportional to 1,106,521.86, 1,658,798.10 and 432,449.88 is: 648,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,521.86 : 1,658,798.10 = 432,449.88 : x
  2. Step 2: Convert to fraction form
    1,106,521.86/1,658,798.10 = 432,449.88/x
  3. Step 3: Cross multiply
    1,106,521.86x = 1,658,798.10 × 432,449.88
  4. Step 4: Simplify right side
    1,106,521.86x = 717,347,039,289.23
  5. Step 5: Solve for x
    x = 717,347,039,289.23/1,106,521.86
  6. Step 6: Final answer
    x = 648,289.98

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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.