Home / 996,013.80-1,494,020.70-919,031.40

Finding the Fourth Proportional to 996,013.80, 1,494,020.70 and 919,031.40

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Solution

The fourth proportional to 996,013.80, 1,494,020.70 and 919,031.40 is: 1,378,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,013.80 : 1,494,020.70 = 919,031.40 : x
  2. Step 2: Convert to fraction form
    996,013.80/1,494,020.70 = 919,031.40/x
  3. Step 3: Cross multiply
    996,013.80x = 1,494,020.70 × 919,031.40
  4. Step 4: Simplify right side
    996,013.80x = 1,373,051,935,549.98
  5. Step 5: Solve for x
    x = 1,373,051,935,549.98/996,013.80
  6. Step 6: Final answer
    x = 1,378,547.10

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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.