Home / 1,242,702.41-1,715,417.93-783,725.63

Finding the Fourth Proportional to 1,242,702.41, 1,715,417.93 and 783,725.63

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Solution

The fourth proportional to 1,242,702.41, 1,715,417.93 and 783,725.63 is: 1,081,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,702.41 : 1,715,417.93 = 783,725.63 : x
  2. Step 2: Convert to fraction form
    1,242,702.41/1,715,417.93 = 783,725.63/x
  3. Step 3: Cross multiply
    1,242,702.41x = 1,715,417.93 × 783,725.63
  4. Step 4: Simplify right side
    1,242,702.41x = 1,344,416,991,284.77
  5. Step 5: Solve for x
    x = 1,344,416,991,284.77/1,242,702.41
  6. Step 6: Final answer
    x = 1,081,849.51

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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.