Home / 1,105,309.14-1,657,963.71-306,590.69

Finding the Fourth Proportional to 1,105,309.14, 1,657,963.71 and 306,590.69

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Solution

The fourth proportional to 1,105,309.14, 1,657,963.71 and 306,590.69 is: 459,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,309.14 : 1,657,963.71 = 306,590.69 : x
  2. Step 2: Convert to fraction form
    1,105,309.14/1,657,963.71 = 306,590.69/x
  3. Step 3: Cross multiply
    1,105,309.14x = 1,657,963.71 × 306,590.69
  4. Step 4: Simplify right side
    1,105,309.14x = 508,316,233,698.95
  5. Step 5: Solve for x
    x = 508,316,233,698.95/1,105,309.14
  6. Step 6: Final answer
    x = 459,886.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.