Home / 1,140,123.40-1,709,057.10-540,029.80

Finding the Fourth Proportional to 1,140,123.40, 1,709,057.10 and 540,029.80

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Solution

The fourth proportional to 1,140,123.40, 1,709,057.10 and 540,029.80 is: 809,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,123.40 : 1,709,057.10 = 540,029.80 : x
  2. Step 2: Convert to fraction form
    1,140,123.40/1,709,057.10 = 540,029.80/x
  3. Step 3: Cross multiply
    1,140,123.40x = 1,709,057.10 × 540,029.80
  4. Step 4: Simplify right side
    1,140,123.40x = 922,941,763,901.58
  5. Step 5: Solve for x
    x = 922,941,763,901.58/1,140,123.40
  6. Step 6: Final answer
    x = 809,510.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.