Home / 1,354,429.14-1,869,133.32-742,637.76

Finding the Fourth Proportional to 1,354,429.14, 1,869,133.32 and 742,637.76

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Solution

The fourth proportional to 1,354,429.14, 1,869,133.32 and 742,637.76 is: 1,024,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,429.14 : 1,869,133.32 = 742,637.76 : x
  2. Step 2: Convert to fraction form
    1,354,429.14/1,869,133.32 = 742,637.76/x
  3. Step 3: Cross multiply
    1,354,429.14x = 1,869,133.32 × 742,637.76
  4. Step 4: Simplify right side
    1,354,429.14x = 1,388,088,981,906.16
  5. Step 5: Solve for x
    x = 1,388,088,981,906.16/1,354,429.14
  6. Step 6: Final answer
    x = 1,024,851.68

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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.