Home / 1,732,078.80-2,390,193.45-947,130.30

Finding the Fourth Proportional to 1,732,078.80, 2,390,193.45 and 947,130.30

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Solution

The fourth proportional to 1,732,078.80, 2,390,193.45 and 947,130.30 is: 1,306,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732,078.80 : 2,390,193.45 = 947,130.30 : x
  2. Step 2: Convert to fraction form
    1,732,078.80/2,390,193.45 = 947,130.30/x
  3. Step 3: Cross multiply
    1,732,078.80x = 2,390,193.45 × 947,130.30
  4. Step 4: Simplify right side
    1,732,078.80x = 2,263,824,639,356.54
  5. Step 5: Solve for x
    x = 2,263,824,639,356.54/1,732,078.80
  6. Step 6: Final answer
    x = 1,306,998.64

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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.