Home / 1,112,547.35-1,535,345.54-629,184.78

Finding the Fourth Proportional to 1,112,547.35, 1,535,345.54 and 629,184.78

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Solution

The fourth proportional to 1,112,547.35, 1,535,345.54 and 629,184.78 is: 868,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,547.35 : 1,535,345.54 = 629,184.78 : x
  2. Step 2: Convert to fraction form
    1,112,547.35/1,535,345.54 = 629,184.78/x
  3. Step 3: Cross multiply
    1,112,547.35x = 1,535,345.54 × 629,184.78
  4. Step 4: Simplify right side
    1,112,547.35x = 966,016,042,662.96
  5. Step 5: Solve for x
    x = 966,016,042,662.96/1,112,547.35
  6. Step 6: Final answer
    x = 868,292.07

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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.