Home / 1,438,320.52-1,984,880.22-793,740.76

Finding the Fourth Proportional to 1,438,320.52, 1,984,880.22 and 793,740.76

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Solution

The fourth proportional to 1,438,320.52, 1,984,880.22 and 793,740.76 is: 1,095,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,320.52 : 1,984,880.22 = 793,740.76 : x
  2. Step 2: Convert to fraction form
    1,438,320.52/1,984,880.22 = 793,740.76/x
  3. Step 3: Cross multiply
    1,438,320.52x = 1,984,880.22 × 793,740.76
  4. Step 4: Simplify right side
    1,438,320.52x = 1,575,480,334,331.77
  5. Step 5: Solve for x
    x = 1,575,480,334,331.77/1,438,320.52
  6. Step 6: Final answer
    x = 1,095,361.09

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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.