Home / 1,124,403.88-1,687,159.88-525,406.44

Finding the Fourth Proportional to 1,124,403.88, 1,687,159.88 and 525,406.44

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Solution

The fourth proportional to 1,124,403.88, 1,687,159.88 and 525,406.44 is: 788,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,403.88 : 1,687,159.88 = 525,406.44 : x
  2. Step 2: Convert to fraction form
    1,124,403.88/1,687,159.88 = 525,406.44/x
  3. Step 3: Cross multiply
    1,124,403.88x = 1,687,159.88 × 525,406.44
  4. Step 4: Simplify right side
    1,124,403.88x = 886,444,666,261.63
  5. Step 5: Solve for x
    x = 886,444,666,261.63/1,124,403.88
  6. Step 6: Final answer
    x = 788,368.56

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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.