Home / 1,106,530.40-1,657,754.40-631,805.60

Finding the Fourth Proportional to 1,106,530.40, 1,657,754.40 and 631,805.60

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Solution

The fourth proportional to 1,106,530.40, 1,657,754.40 and 631,805.60 is: 946,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,530.40 : 1,657,754.40 = 631,805.60 : x
  2. Step 2: Convert to fraction form
    1,106,530.40/1,657,754.40 = 631,805.60/x
  3. Step 3: Cross multiply
    1,106,530.40x = 1,657,754.40 × 631,805.60
  4. Step 4: Simplify right side
    1,106,530.40x = 1,047,378,513,344.64
  5. Step 5: Solve for x
    x = 1,047,378,513,344.64/1,106,530.40
  6. Step 6: Final answer
    x = 946,542.92

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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.