Home / 1,005,865.04-1,388,130.26-576,228.21

Finding the Fourth Proportional to 1,005,865.04, 1,388,130.26 and 576,228.21

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Solution

The fourth proportional to 1,005,865.04, 1,388,130.26 and 576,228.21 is: 795,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,865.04 : 1,388,130.26 = 576,228.21 : x
  2. Step 2: Convert to fraction form
    1,005,865.04/1,388,130.26 = 576,228.21/x
  3. Step 3: Cross multiply
    1,005,865.04x = 1,388,130.26 × 576,228.21
  4. Step 4: Simplify right side
    1,005,865.04x = 799,879,806,880.01
  5. Step 5: Solve for x
    x = 799,879,806,880.01/1,005,865.04
  6. Step 6: Final answer
    x = 795,215.84

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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.