Home / 1,124,409.64-1,687,168.48-525,412.20

Finding the Fourth Proportional to 1,124,409.64, 1,687,168.48 and 525,412.20

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Solution

The fourth proportional to 1,124,409.64, 1,687,168.48 and 525,412.20 is: 788,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,409.64 : 1,687,168.48 = 525,412.20 : x
  2. Step 2: Convert to fraction form
    1,124,409.64/1,687,168.48 = 525,412.20/x
  3. Step 3: Cross multiply
    1,124,409.64x = 1,687,168.48 × 525,412.20
  4. Step 4: Simplify right side
    1,124,409.64x = 886,458,902,847.46
  5. Step 5: Solve for x
    x = 886,458,902,847.46/1,124,409.64
  6. Step 6: Final answer
    x = 788,377.18

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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.