Home / 1,141,838.09-1,575,742.58-645,124.22

Finding the Fourth Proportional to 1,141,838.09, 1,575,742.58 and 645,124.22

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Solution

The fourth proportional to 1,141,838.09, 1,575,742.58 and 645,124.22 is: 890,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,838.09 : 1,575,742.58 = 645,124.22 : x
  2. Step 2: Convert to fraction form
    1,141,838.09/1,575,742.58 = 645,124.22/x
  3. Step 3: Cross multiply
    1,141,838.09x = 1,575,742.58 × 645,124.22
  4. Step 4: Simplify right side
    1,141,838.09x = 1,016,549,702,843.29
  5. Step 5: Solve for x
    x = 1,016,549,702,843.29/1,141,838.09
  6. Step 6: Final answer
    x = 890,274.82

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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.