Home / 1,105,869.18-1,525,313.34-738,160.92

Finding the Fourth Proportional to 1,105,869.18, 1,525,313.34 and 738,160.92

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Solution

The fourth proportional to 1,105,869.18, 1,525,313.34 and 738,160.92 is: 1,018,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,869.18 : 1,525,313.34 = 738,160.92 : x
  2. Step 2: Convert to fraction form
    1,105,869.18/1,525,313.34 = 738,160.92/x
  3. Step 3: Cross multiply
    1,105,869.18x = 1,525,313.34 × 738,160.92
  4. Step 4: Simplify right side
    1,105,869.18x = 1,125,926,698,342.67
  5. Step 5: Solve for x
    x = 1,125,926,698,342.67/1,105,869.18
  6. Step 6: Final answer
    x = 1,018,137.33

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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.