Home / 1,577,403.40-2,364,809.10-679,534.60

Finding the Fourth Proportional to 1,577,403.40, 2,364,809.10 and 679,534.60

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Solution

The fourth proportional to 1,577,403.40, 2,364,809.10 and 679,534.60 is: 1,018,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,403.40 : 2,364,809.10 = 679,534.60 : x
  2. Step 2: Convert to fraction form
    1,577,403.40/2,364,809.10 = 679,534.60/x
  3. Step 3: Cross multiply
    1,577,403.40x = 2,364,809.10 × 679,534.60
  4. Step 4: Simplify right side
    1,577,403.40x = 1,606,969,605,844.86
  5. Step 5: Solve for x
    x = 1,606,969,605,844.86/1,577,403.40
  6. Step 6: Final answer
    x = 1,018,743.59

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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.