Home / 1,130,956.83-1,696,434.17-289,507.23

Finding the Fourth Proportional to 1,130,956.83, 1,696,434.17 and 289,507.23

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Solution

The fourth proportional to 1,130,956.83, 1,696,434.17 and 289,507.23 is: 434,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,956.83 : 1,696,434.17 = 289,507.23 : x
  2. Step 2: Convert to fraction form
    1,130,956.83/1,696,434.17 = 289,507.23/x
  3. Step 3: Cross multiply
    1,130,956.83x = 1,696,434.17 × 289,507.23
  4. Step 4: Simplify right side
    1,130,956.83x = 491,129,955,986.51
  5. Step 5: Solve for x
    x = 491,129,955,986.51/1,130,956.83
  6. Step 6: Final answer
    x = 434,260.57

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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.