Home / 1,285,683.23-1,928,338.95-900,262.76

Finding the Fourth Proportional to 1,285,683.23, 1,928,338.95 and 900,262.76

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Solution

The fourth proportional to 1,285,683.23, 1,928,338.95 and 900,262.76 is: 1,350,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,683.23 : 1,928,338.95 = 900,262.76 : x
  2. Step 2: Convert to fraction form
    1,285,683.23/1,928,338.95 = 900,262.76/x
  3. Step 3: Cross multiply
    1,285,683.23x = 1,928,338.95 × 900,262.76
  4. Step 4: Simplify right side
    1,285,683.23x = 1,736,011,739,076.79
  5. Step 5: Solve for x
    x = 1,736,011,739,076.79/1,285,683.23
  6. Step 6: Final answer
    x = 1,350,263.96

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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.