Home / 1,087,027.23-1,500,217.48-621,924.32

Finding the Fourth Proportional to 1,087,027.23, 1,500,217.48 and 621,924.32

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Solution

The fourth proportional to 1,087,027.23, 1,500,217.48 and 621,924.32 is: 858,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,027.23 : 1,500,217.48 = 621,924.32 : x
  2. Step 2: Convert to fraction form
    1,087,027.23/1,500,217.48 = 621,924.32/x
  3. Step 3: Cross multiply
    1,087,027.23x = 1,500,217.48 × 621,924.32
  4. Step 4: Simplify right side
    1,087,027.23x = 933,021,736,101.11
  5. Step 5: Solve for x
    x = 933,021,736,101.11/1,087,027.23
  6. Step 6: Final answer
    x = 858,324.16

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Double scale
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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.