Home / 1,248,931.54-1,723,567.49-765,403.46

Finding the Fourth Proportional to 1,248,931.54, 1,723,567.49 and 765,403.46

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Solution

The fourth proportional to 1,248,931.54, 1,723,567.49 and 765,403.46 is: 1,056,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,931.54 : 1,723,567.49 = 765,403.46 : x
  2. Step 2: Convert to fraction form
    1,248,931.54/1,723,567.49 = 765,403.46/x
  3. Step 3: Cross multiply
    1,248,931.54x = 1,723,567.49 × 765,403.46
  4. Step 4: Simplify right side
    1,248,931.54x = 1,319,224,520,389.52
  5. Step 5: Solve for x
    x = 1,319,224,520,389.52/1,248,931.54
  6. Step 6: Final answer
    x = 1,056,282.49

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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.