Home / 1,100,551.40-1,650,827.10-970,643.60

Finding the Fourth Proportional to 1,100,551.40, 1,650,827.10 and 970,643.60

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Solution

The fourth proportional to 1,100,551.40, 1,650,827.10 and 970,643.60 is: 1,455,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,551.40 : 1,650,827.10 = 970,643.60 : x
  2. Step 2: Convert to fraction form
    1,100,551.40/1,650,827.10 = 970,643.60/x
  3. Step 3: Cross multiply
    1,100,551.40x = 1,650,827.10 × 970,643.60
  4. Step 4: Simplify right side
    1,100,551.40x = 1,602,364,759,321.56
  5. Step 5: Solve for x
    x = 1,602,364,759,321.56/1,100,551.40
  6. Step 6: Final answer
    x = 1,455,965.40

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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.