Home / 1,577,121.40-2,364,386.10-679,252.60

Finding the Fourth Proportional to 1,577,121.40, 2,364,386.10 and 679,252.60

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Solution

The fourth proportional to 1,577,121.40, 2,364,386.10 and 679,252.60 is: 1,018,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,121.40 : 2,364,386.10 = 679,252.60 : x
  2. Step 2: Convert to fraction form
    1,577,121.40/2,364,386.10 = 679,252.60/x
  3. Step 3: Cross multiply
    1,577,121.40x = 2,364,386.10 × 679,252.60
  4. Step 4: Simplify right side
    1,577,121.40x = 1,606,015,405,828.86
  5. Step 5: Solve for x
    x = 1,606,015,405,828.86/1,577,121.40
  6. Step 6: Final answer
    x = 1,018,320.72

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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.