Home / 1,072,640.40-1,479,030.66-684,946.02

Finding the Fourth Proportional to 1,072,640.40, 1,479,030.66 and 684,946.02

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Solution

The fourth proportional to 1,072,640.40, 1,479,030.66 and 684,946.02 is: 944,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,640.40 : 1,479,030.66 = 684,946.02 : x
  2. Step 2: Convert to fraction form
    1,072,640.40/1,479,030.66 = 684,946.02/x
  3. Step 3: Cross multiply
    1,072,640.40x = 1,479,030.66 × 684,946.02
  4. Step 4: Simplify right side
    1,072,640.40x = 1,013,056,164,024.97
  5. Step 5: Solve for x
    x = 1,013,056,164,024.97/1,072,640.40
  6. Step 6: Final answer
    x = 944,450.87

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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.