Home / 1,009,168.35-1,513,752.53-692,665.71

Finding the Fourth Proportional to 1,009,168.35, 1,513,752.53 and 692,665.71

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Solution

The fourth proportional to 1,009,168.35, 1,513,752.53 and 692,665.71 is: 1,038,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,168.35 : 1,513,752.53 = 692,665.71 : x
  2. Step 2: Convert to fraction form
    1,009,168.35/1,513,752.53 = 692,665.71/x
  3. Step 3: Cross multiply
    1,009,168.35x = 1,513,752.53 × 692,665.71
  4. Step 4: Simplify right side
    1,009,168.35x = 1,048,524,467,493.42
  5. Step 5: Solve for x
    x = 1,048,524,467,493.42/1,009,168.35
  6. Step 6: Final answer
    x = 1,038,998.57

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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.