Home / 1,070,363.04-1,476,538.72-640,515.36

Finding the Fourth Proportional to 1,070,363.04, 1,476,538.72 and 640,515.36

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Solution

The fourth proportional to 1,070,363.04, 1,476,538.72 and 640,515.36 is: 883,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,363.04 : 1,476,538.72 = 640,515.36 : x
  2. Step 2: Convert to fraction form
    1,070,363.04/1,476,538.72 = 640,515.36/x
  3. Step 3: Cross multiply
    1,070,363.04x = 1,476,538.72 × 640,515.36
  4. Step 4: Simplify right side
    1,070,363.04x = 945,745,729,794.74
  5. Step 5: Solve for x
    x = 945,745,729,794.74/1,070,363.04
  6. Step 6: Final answer
    x = 883,574.73

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1.5x scale

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.