Home / 1,140,071.46-1,573,274.28-623,823.36

Finding the Fourth Proportional to 1,140,071.46, 1,573,274.28 and 623,823.36

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Solution

The fourth proportional to 1,140,071.46, 1,573,274.28 and 623,823.36 is: 860,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,071.46 : 1,573,274.28 = 623,823.36 : x
  2. Step 2: Convert to fraction form
    1,140,071.46/1,573,274.28 = 623,823.36/x
  3. Step 3: Cross multiply
    1,140,071.46x = 1,573,274.28 × 623,823.36
  4. Step 4: Simplify right side
    1,140,071.46x = 981,445,247,551.18
  5. Step 5: Solve for x
    x = 981,445,247,551.18/1,140,071.46
  6. Step 6: Final answer
    x = 860,862.92

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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.