Home / 1,087,775.09-1,501,041.63-628,919.10

Finding the Fourth Proportional to 1,087,775.09, 1,501,041.63 and 628,919.10

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Solution

The fourth proportional to 1,087,775.09, 1,501,041.63 and 628,919.10 is: 867,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,775.09 : 1,501,041.63 = 628,919.10 : x
  2. Step 2: Convert to fraction form
    1,087,775.09/1,501,041.63 = 628,919.10/x
  3. Step 3: Cross multiply
    1,087,775.09x = 1,501,041.63 × 628,919.10
  4. Step 4: Simplify right side
    1,087,775.09x = 944,033,749,822.91
  5. Step 5: Solve for x
    x = 944,033,749,822.91/1,087,775.09
  6. Step 6: Final answer
    x = 867,857.48

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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.