Home / 1,369,995.30-1,890,590.85-766,383.30

Finding the Fourth Proportional to 1,369,995.30, 1,890,590.85 and 766,383.30

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Solution

The fourth proportional to 1,369,995.30, 1,890,590.85 and 766,383.30 is: 1,057,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,995.30 : 1,890,590.85 = 766,383.30 : x
  2. Step 2: Convert to fraction form
    1,369,995.30/1,890,590.85 = 766,383.30/x
  3. Step 3: Cross multiply
    1,369,995.30x = 1,890,590.85 × 766,383.30
  4. Step 4: Simplify right side
    1,369,995.30x = 1,448,917,254,572.81
  5. Step 5: Solve for x
    x = 1,448,917,254,572.81/1,369,995.30
  6. Step 6: Final answer
    x = 1,057,607.46

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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.