Home / 1,421,703.36-2,132,688.69-523,162.26

Finding the Fourth Proportional to 1,421,703.36, 2,132,688.69 and 523,162.26

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Solution

The fourth proportional to 1,421,703.36, 2,132,688.69 and 523,162.26 is: 784,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,703.36 : 2,132,688.69 = 523,162.26 : x
  2. Step 2: Convert to fraction form
    1,421,703.36/2,132,688.69 = 523,162.26/x
  3. Step 3: Cross multiply
    1,421,703.36x = 2,132,688.69 × 523,162.26
  4. Step 4: Simplify right side
    1,421,703.36x = 1,115,742,234,936.84
  5. Step 5: Solve for x
    x = 1,115,742,234,936.84/1,421,703.36
  6. Step 6: Final answer
    x = 784,792.57

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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.