Home / 1,285,411.01-1,772,946.02-849,323.21

Finding the Fourth Proportional to 1,285,411.01, 1,772,946.02 and 849,323.21

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Solution

The fourth proportional to 1,285,411.01, 1,772,946.02 and 849,323.21 is: 1,171,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,411.01 : 1,772,946.02 = 849,323.21 : x
  2. Step 2: Convert to fraction form
    1,285,411.01/1,772,946.02 = 849,323.21/x
  3. Step 3: Cross multiply
    1,285,411.01x = 1,772,946.02 × 849,323.21
  4. Step 4: Simplify right side
    1,285,411.01x = 1,505,804,198,121.70
  5. Step 5: Solve for x
    x = 1,505,804,198,121.70/1,285,411.01
  6. Step 6: Final answer
    x = 1,171,457.37

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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.