Home / 1,030,461.60-1,543,618.80-694,538.40

Finding the Fourth Proportional to 1,030,461.60, 1,543,618.80 and 694,538.40

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Solution

The fourth proportional to 1,030,461.60, 1,543,618.80 and 694,538.40 is: 1,040,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,461.60 : 1,543,618.80 = 694,538.40 : x
  2. Step 2: Convert to fraction form
    1,030,461.60/1,543,618.80 = 694,538.40/x
  3. Step 3: Cross multiply
    1,030,461.60x = 1,543,618.80 × 694,538.40
  4. Step 4: Simplify right side
    1,030,461.60x = 1,072,102,531,561.92
  5. Step 5: Solve for x
    x = 1,072,102,531,561.92/1,030,461.60
  6. Step 6: Final answer
    x = 1,040,409.98

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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.