Home / 1,009,967.52-1,392,783-679,567.86

Finding the Fourth Proportional to 1,009,967.52, 1,392,783 and 679,567.86

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Solution

The fourth proportional to 1,009,967.52, 1,392,783 and 679,567.86 is: 937,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,967.52 : 1,392,783 = 679,567.86 : x
  2. Step 2: Convert to fraction form
    1,009,967.52/1,392,783 = 679,567.86/x
  3. Step 3: Cross multiply
    1,009,967.52x = 1,392,783 × 679,567.86
  4. Step 4: Simplify right side
    1,009,967.52x = 946,490,562,754.38
  5. Step 5: Solve for x
    x = 946,490,562,754.38/1,009,967.52
  6. Step 6: Final answer
    x = 937,149.51

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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.