Home / 1,780,639.23-2,457,406.85-1,006,341.63

Finding the Fourth Proportional to 1,780,639.23, 2,457,406.85 and 1,006,341.63

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Solution

The fourth proportional to 1,780,639.23, 2,457,406.85 and 1,006,341.63 is: 1,388,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,639.23 : 2,457,406.85 = 1,006,341.63 : x
  2. Step 2: Convert to fraction form
    1,780,639.23/2,457,406.85 = 1,006,341.63/x
  3. Step 3: Cross multiply
    1,780,639.23x = 2,457,406.85 × 1,006,341.63
  4. Step 4: Simplify right side
    1,780,639.23x = 2,472,990,817,518.02
  5. Step 5: Solve for x
    x = 2,472,990,817,518.02/1,780,639.23
  6. Step 6: Final answer
    x = 1,388,821.93

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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.