Home / 1,291,145.81-1,934,474.18-906,077.93

Finding the Fourth Proportional to 1,291,145.81, 1,934,474.18 and 906,077.93

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Solution

The fourth proportional to 1,291,145.81, 1,934,474.18 and 906,077.93 is: 1,357,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,145.81 : 1,934,474.18 = 906,077.93 : x
  2. Step 2: Convert to fraction form
    1,291,145.81/1,934,474.18 = 906,077.93/x
  3. Step 3: Cross multiply
    1,291,145.81x = 1,934,474.18 × 906,077.93
  4. Step 4: Simplify right side
    1,291,145.81x = 1,752,784,346,450.09
  5. Step 5: Solve for x
    x = 1,752,784,346,450.09/1,291,145.81
  6. Step 6: Final answer
    x = 1,357,541.76

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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.