Home / 1,438,518.50-1,985,145.75-793,938.68

Finding the Fourth Proportional to 1,438,518.50, 1,985,145.75 and 793,938.68

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Solution

The fourth proportional to 1,438,518.50, 1,985,145.75 and 793,938.68 is: 1,095,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,518.50 : 1,985,145.75 = 793,938.68 : x
  2. Step 2: Convert to fraction form
    1,438,518.50/1,985,145.75 = 793,938.68/x
  3. Step 3: Cross multiply
    1,438,518.50x = 1,985,145.75 × 793,938.68
  4. Step 4: Simplify right side
    1,438,518.50x = 1,576,083,996,362.61
  5. Step 5: Solve for x
    x = 1,576,083,996,362.61/1,438,518.50
  6. Step 6: Final answer
    x = 1,095,629.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.