Home / 1,680,048.66-2,520,068.19-417,876.28

Finding the Fourth Proportional to 1,680,048.66, 2,520,068.19 and 417,876.28

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Solution

The fourth proportional to 1,680,048.66, 2,520,068.19 and 417,876.28 is: 626,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,048.66 : 2,520,068.19 = 417,876.28 : x
  2. Step 2: Convert to fraction form
    1,680,048.66/2,520,068.19 = 417,876.28/x
  3. Step 3: Cross multiply
    1,680,048.66x = 2,520,068.19 × 417,876.28
  4. Step 4: Simplify right side
    1,680,048.66x = 1,053,076,720,583.53
  5. Step 5: Solve for x
    x = 1,053,076,720,583.53/1,680,048.66
  6. Step 6: Final answer
    x = 626,813.23

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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.