Home / 1,850,434.40-2,776,688.40-785,295.20

Finding the Fourth Proportional to 1,850,434.40, 2,776,688.40 and 785,295.20

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Solution

The fourth proportional to 1,850,434.40, 2,776,688.40 and 785,295.20 is: 1,178,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,434.40 : 2,776,688.40 = 785,295.20 : x
  2. Step 2: Convert to fraction form
    1,850,434.40/2,776,688.40 = 785,295.20/x
  3. Step 3: Cross multiply
    1,850,434.40x = 2,776,688.40 × 785,295.20
  4. Step 4: Simplify right side
    1,850,434.40x = 2,180,520,072,415.68
  5. Step 5: Solve for x
    x = 2,180,520,072,415.68/1,850,434.40
  6. Step 6: Final answer
    x = 1,178,382.80

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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.