Home / 1,274,461.02-1,911,696.45-516,316.81

Finding the Fourth Proportional to 1,274,461.02, 1,911,696.45 and 516,316.81

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Solution

The fourth proportional to 1,274,461.02, 1,911,696.45 and 516,316.81 is: 774,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,461.02 : 1,911,696.45 = 516,316.81 : x
  2. Step 2: Convert to fraction form
    1,274,461.02/1,911,696.45 = 516,316.81/x
  3. Step 3: Cross multiply
    1,274,461.02x = 1,911,696.45 × 516,316.81
  4. Step 4: Simplify right side
    1,274,461.02x = 987,041,012,752.33
  5. Step 5: Solve for x
    x = 987,041,012,752.33/1,274,461.02
  6. Step 6: Final answer
    x = 774,477.21

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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.