Home / 1,310,119.58-1,808,018.08-729,366.50

Finding the Fourth Proportional to 1,310,119.58, 1,808,018.08 and 729,366.50

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Solution

The fourth proportional to 1,310,119.58, 1,808,018.08 and 729,366.50 is: 1,006,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,119.58 : 1,808,018.08 = 729,366.50 : x
  2. Step 2: Convert to fraction form
    1,310,119.58/1,808,018.08 = 729,366.50/x
  3. Step 3: Cross multiply
    1,310,119.58x = 1,808,018.08 × 729,366.50
  4. Step 4: Simplify right side
    1,310,119.58x = 1,318,707,818,946.32
  5. Step 5: Solve for x
    x = 1,318,707,818,946.32/1,310,119.58
  6. Step 6: Final answer
    x = 1,006,555.31

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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.