Home / 1,622,611.20-2,433,686.40-557,702.40

Finding the Fourth Proportional to 1,622,611.20, 2,433,686.40 and 557,702.40

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Solution

The fourth proportional to 1,622,611.20, 2,433,686.40 and 557,702.40 is: 836,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,611.20 : 2,433,686.40 = 557,702.40 : x
  2. Step 2: Convert to fraction form
    1,622,611.20/2,433,686.40 = 557,702.40/x
  3. Step 3: Cross multiply
    1,622,611.20x = 2,433,686.40 × 557,702.40
  4. Step 4: Simplify right side
    1,622,611.20x = 1,357,272,746,127.36
  5. Step 5: Solve for x
    x = 1,357,272,746,127.36/1,622,611.20
  6. Step 6: Final answer
    x = 836,474.41

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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.