Home / 1,584,284.28-2,186,312.90-859,131.81

Finding the Fourth Proportional to 1,584,284.28, 2,186,312.90 and 859,131.81

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Solution

The fourth proportional to 1,584,284.28, 2,186,312.90 and 859,131.81 is: 1,185,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,284.28 : 2,186,312.90 = 859,131.81 : x
  2. Step 2: Convert to fraction form
    1,584,284.28/2,186,312.90 = 859,131.81/x
  3. Step 3: Cross multiply
    1,584,284.28x = 2,186,312.90 × 859,131.81
  4. Step 4: Simplify right side
    1,584,284.28x = 1,878,330,959,003.35
  5. Step 5: Solve for x
    x = 1,878,330,959,003.35/1,584,284.28
  6. Step 6: Final answer
    x = 1,185,602.22

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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.