Home / 1,039,354.80-1,435,300.10-982,747.74

Finding the Fourth Proportional to 1,039,354.80, 1,435,300.10 and 982,747.74

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Solution

The fourth proportional to 1,039,354.80, 1,435,300.10 and 982,747.74 is: 1,357,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,354.80 : 1,435,300.10 = 982,747.74 : x
  2. Step 2: Convert to fraction form
    1,039,354.80/1,435,300.10 = 982,747.74/x
  3. Step 3: Cross multiply
    1,039,354.80x = 1,435,300.10 × 982,747.74
  4. Step 4: Simplify right side
    1,039,354.80x = 1,410,537,929,496.77
  5. Step 5: Solve for x
    x = 1,410,537,929,496.77/1,039,354.80
  6. Step 6: Final answer
    x = 1,357,128.41

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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.