Home / 1,438,602.96-1,985,130.66-793,981.61

Finding the Fourth Proportional to 1,438,602.96, 1,985,130.66 and 793,981.61

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Solution

The fourth proportional to 1,438,602.96, 1,985,130.66 and 793,981.61 is: 1,095,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,602.96 : 1,985,130.66 = 793,981.61 : x
  2. Step 2: Convert to fraction form
    1,438,602.96/1,985,130.66 = 793,981.61/x
  3. Step 3: Cross multiply
    1,438,602.96x = 1,985,130.66 × 793,981.61
  4. Step 4: Simplify right side
    1,438,602.96x = 1,576,157,227,561.51
  5. Step 5: Solve for x
    x = 1,576,157,227,561.51/1,438,602.96
  6. Step 6: Final answer
    x = 1,095,616.56

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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.