Home / 1,013,454.10-1,398,583.02-554,608.54

Finding the Fourth Proportional to 1,013,454.10, 1,398,583.02 and 554,608.54

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Solution

The fourth proportional to 1,013,454.10, 1,398,583.02 and 554,608.54 is: 765,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,454.10 : 1,398,583.02 = 554,608.54 : x
  2. Step 2: Convert to fraction form
    1,013,454.10/1,398,583.02 = 554,608.54/x
  3. Step 3: Cross multiply
    1,013,454.10x = 1,398,583.02 × 554,608.54
  4. Step 4: Simplify right side
    1,013,454.10x = 775,666,086,790.99
  5. Step 5: Solve for x
    x = 775,666,086,790.99/1,013,454.10
  6. Step 6: Final answer
    x = 765,368.74

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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.