Home / 1,485,019.80-2,227,529.70-1,272,443.40

Finding the Fourth Proportional to 1,485,019.80, 2,227,529.70 and 1,272,443.40

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Solution

The fourth proportional to 1,485,019.80, 2,227,529.70 and 1,272,443.40 is: 1,908,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,019.80 : 2,227,529.70 = 1,272,443.40 : x
  2. Step 2: Convert to fraction form
    1,485,019.80/2,227,529.70 = 1,272,443.40/x
  3. Step 3: Cross multiply
    1,485,019.80x = 2,227,529.70 × 1,272,443.40
  4. Step 4: Simplify right side
    1,485,019.80x = 2,834,405,465,068.98
  5. Step 5: Solve for x
    x = 2,834,405,465,068.98/1,485,019.80
  6. Step 6: Final answer
    x = 1,908,665.10

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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.