Home / 1,145,339.64-1,717,470-425,182.41

Finding the Fourth Proportional to 1,145,339.64, 1,717,470 and 425,182.41

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Solution

The fourth proportional to 1,145,339.64, 1,717,470 and 425,182.41 is: 637,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,339.64 : 1,717,470 = 425,182.41 : x
  2. Step 2: Convert to fraction form
    1,145,339.64/1,717,470 = 425,182.41/x
  3. Step 3: Cross multiply
    1,145,339.64x = 1,717,470 × 425,182.41
  4. Step 4: Simplify right side
    1,145,339.64x = 730,238,033,702.70
  5. Step 5: Solve for x
    x = 730,238,033,702.70/1,145,339.64
  6. Step 6: Final answer
    x = 637,573.35

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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.