Home / 1,081,312.01-1,622,064.88-312,797.64

Finding the Fourth Proportional to 1,081,312.01, 1,622,064.88 and 312,797.64

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Solution

The fourth proportional to 1,081,312.01, 1,622,064.88 and 312,797.64 is: 469,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,312.01 : 1,622,064.88 = 312,797.64 : x
  2. Step 2: Convert to fraction form
    1,081,312.01/1,622,064.88 = 312,797.64/x
  3. Step 3: Cross multiply
    1,081,312.01x = 1,622,064.88 × 312,797.64
  4. Step 4: Simplify right side
    1,081,312.01x = 507,378,069,182.31
  5. Step 5: Solve for x
    x = 507,378,069,182.31/1,081,312.01
  6. Step 6: Final answer
    x = 469,224.49

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1.5x scale

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.