Home / 1,142,702.51-1,576,919.34-626,446.98

Finding the Fourth Proportional to 1,142,702.51, 1,576,919.34 and 626,446.98

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Solution

The fourth proportional to 1,142,702.51, 1,576,919.34 and 626,446.98 is: 864,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,702.51 : 1,576,919.34 = 626,446.98 : x
  2. Step 2: Convert to fraction form
    1,142,702.51/1,576,919.34 = 626,446.98/x
  3. Step 3: Cross multiply
    1,142,702.51x = 1,576,919.34 × 626,446.98
  4. Step 4: Simplify right side
    1,142,702.51x = 987,856,358,246.59
  5. Step 5: Solve for x
    x = 987,856,358,246.59/1,142,702.51
  6. Step 6: Final answer
    x = 864,491.29

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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.