Home / 1,235,890.40-1,854,008.40-525,912.80

Finding the Fourth Proportional to 1,235,890.40, 1,854,008.40 and 525,912.80

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Solution

The fourth proportional to 1,235,890.40, 1,854,008.40 and 525,912.80 is: 788,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,890.40 : 1,854,008.40 = 525,912.80 : x
  2. Step 2: Convert to fraction form
    1,235,890.40/1,854,008.40 = 525,912.80/x
  3. Step 3: Cross multiply
    1,235,890.40x = 1,854,008.40 × 525,912.80
  4. Step 4: Simplify right side
    1,235,890.40x = 975,046,748,867.52
  5. Step 5: Solve for x
    x = 975,046,748,867.52/1,235,890.40
  6. Step 6: Final answer
    x = 788,942.73

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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.