Home / 1,190,667.90-1,643,074.56-707,220.30

Finding the Fourth Proportional to 1,190,667.90, 1,643,074.56 and 707,220.30

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Solution

The fourth proportional to 1,190,667.90, 1,643,074.56 and 707,220.30 is: 975,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,667.90 : 1,643,074.56 = 707,220.30 : x
  2. Step 2: Convert to fraction form
    1,190,667.90/1,643,074.56 = 707,220.30/x
  3. Step 3: Cross multiply
    1,190,667.90x = 1,643,074.56 × 707,220.30
  4. Step 4: Simplify right side
    1,190,667.90x = 1,162,015,683,245.57
  5. Step 5: Solve for x
    x = 1,162,015,683,245.57/1,190,667.90
  6. Step 6: Final answer
    x = 975,936.01

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Double scale
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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.