Home / 1,426,677.80-2,140,016.70-479,733.80

Finding the Fourth Proportional to 1,426,677.80, 2,140,016.70 and 479,733.80

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Solution

The fourth proportional to 1,426,677.80, 2,140,016.70 and 479,733.80 is: 719,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,677.80 : 2,140,016.70 = 479,733.80 : x
  2. Step 2: Convert to fraction form
    1,426,677.80/2,140,016.70 = 479,733.80/x
  3. Step 3: Cross multiply
    1,426,677.80x = 2,140,016.70 × 479,733.80
  4. Step 4: Simplify right side
    1,426,677.80x = 1,026,638,343,554.46
  5. Step 5: Solve for x
    x = 1,026,638,343,554.46/1,426,677.80
  6. Step 6: Final answer
    x = 719,600.70

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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.