Home / 1,340,820-1,850,366.64-729,013.92

Finding the Fourth Proportional to 1,340,820, 1,850,366.64 and 729,013.92

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Solution

The fourth proportional to 1,340,820, 1,850,366.64 and 729,013.92 is: 1,006,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,820 : 1,850,366.64 = 729,013.92 : x
  2. Step 2: Convert to fraction form
    1,340,820/1,850,366.64 = 729,013.92/x
  3. Step 3: Cross multiply
    1,340,820x = 1,850,366.64 × 729,013.92
  4. Step 4: Simplify right side
    1,340,820x = 1,348,943,037,663.63
  5. Step 5: Solve for x
    x = 1,348,943,037,663.63/1,340,820
  6. Step 6: Final answer
    x = 1,006,058.26

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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.