Home / 1,282,332.42-1,769,611.59-709,360.29

Finding the Fourth Proportional to 1,282,332.42, 1,769,611.59 and 709,360.29

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Solution

The fourth proportional to 1,282,332.42, 1,769,611.59 and 709,360.29 is: 978,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,332.42 : 1,769,611.59 = 709,360.29 : x
  2. Step 2: Convert to fraction form
    1,282,332.42/1,769,611.59 = 709,360.29/x
  3. Step 3: Cross multiply
    1,282,332.42x = 1,769,611.59 × 709,360.29
  4. Step 4: Simplify right side
    1,282,332.42x = 1,255,292,190,669.76
  5. Step 5: Solve for x
    x = 1,255,292,190,669.76/1,282,332.42
  6. Step 6: Final answer
    x = 978,913.25

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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.