Home / 1,505,826.92-2,078,045.22-826,807.40

Finding the Fourth Proportional to 1,505,826.92, 2,078,045.22 and 826,807.40

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Solution

The fourth proportional to 1,505,826.92, 2,078,045.22 and 826,807.40 is: 1,140,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,826.92 : 2,078,045.22 = 826,807.40 : x
  2. Step 2: Convert to fraction form
    1,505,826.92/2,078,045.22 = 826,807.40/x
  3. Step 3: Cross multiply
    1,505,826.92x = 2,078,045.22 × 826,807.40
  4. Step 4: Simplify right side
    1,505,826.92x = 1,718,143,165,430.63
  5. Step 5: Solve for x
    x = 1,718,143,165,430.63/1,505,826.92
  6. Step 6: Final answer
    x = 1,140,996.45

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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.