Home / 1,358,764-1,877,012.88-1,088,625.76

Finding the Fourth Proportional to 1,358,764, 1,877,012.88 and 1,088,625.76

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Solution

The fourth proportional to 1,358,764, 1,877,012.88 and 1,088,625.76 is: 1,503,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,764 : 1,877,012.88 = 1,088,625.76 : x
  2. Step 2: Convert to fraction form
    1,358,764/1,877,012.88 = 1,088,625.76/x
  3. Step 3: Cross multiply
    1,358,764x = 1,877,012.88 × 1,088,625.76
  4. Step 4: Simplify right side
    1,358,764x = 2,043,364,573,019.79
  5. Step 5: Solve for x
    x = 2,043,364,573,019.79/1,358,764
  6. Step 6: Final answer
    x = 1,503,840.68

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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.