Home / 1,345,887.48-1,857,436.38-773,038.20

Finding the Fourth Proportional to 1,345,887.48, 1,857,436.38 and 773,038.20

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Solution

The fourth proportional to 1,345,887.48, 1,857,436.38 and 773,038.20 is: 1,066,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,887.48 : 1,857,436.38 = 773,038.20 : x
  2. Step 2: Convert to fraction form
    1,345,887.48/1,857,436.38 = 773,038.20/x
  3. Step 3: Cross multiply
    1,345,887.48x = 1,857,436.38 × 773,038.20
  4. Step 4: Simplify right side
    1,345,887.48x = 1,435,869,275,809.72
  5. Step 5: Solve for x
    x = 1,435,869,275,809.72/1,345,887.48
  6. Step 6: Final answer
    x = 1,066,856.85

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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.