Home / 1,137,300.95-1,705,380.95-378,875.76

Finding the Fourth Proportional to 1,137,300.95, 1,705,380.95 and 378,875.76

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Solution

The fourth proportional to 1,137,300.95, 1,705,380.95 and 378,875.76 is: 568,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,300.95 : 1,705,380.95 = 378,875.76 : x
  2. Step 2: Convert to fraction form
    1,137,300.95/1,705,380.95 = 378,875.76/x
  3. Step 3: Cross multiply
    1,137,300.95x = 1,705,380.95 × 378,875.76
  4. Step 4: Simplify right side
    1,137,300.95x = 646,127,501,626.39
  5. Step 5: Solve for x
    x = 646,127,501,626.39/1,137,300.95
  6. Step 6: Final answer
    x = 568,123.60

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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.