Home / 1,528,983.16-2,109,871.24-900,226.92

Finding the Fourth Proportional to 1,528,983.16, 2,109,871.24 and 900,226.92

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Solution

The fourth proportional to 1,528,983.16, 2,109,871.24 and 900,226.92 is: 1,242,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,983.16 : 2,109,871.24 = 900,226.92 : x
  2. Step 2: Convert to fraction form
    1,528,983.16/2,109,871.24 = 900,226.92/x
  3. Step 3: Cross multiply
    1,528,983.16x = 2,109,871.24 × 900,226.92
  4. Step 4: Simplify right side
    1,528,983.16x = 1,899,362,887,981.78
  5. Step 5: Solve for x
    x = 1,899,362,887,981.78/1,528,983.16
  6. Step 6: Final answer
    x = 1,242,239.25

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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.