Home / 1,178,655.40-1,767,983.10-992,031.40

Finding the Fourth Proportional to 1,178,655.40, 1,767,983.10 and 992,031.40

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Solution

The fourth proportional to 1,178,655.40, 1,767,983.10 and 992,031.40 is: 1,488,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,655.40 : 1,767,983.10 = 992,031.40 : x
  2. Step 2: Convert to fraction form
    1,178,655.40/1,767,983.10 = 992,031.40/x
  3. Step 3: Cross multiply
    1,178,655.40x = 1,767,983.10 × 992,031.40
  4. Step 4: Simplify right side
    1,178,655.40x = 1,753,894,749,869.34
  5. Step 5: Solve for x
    x = 1,753,894,749,869.34/1,178,655.40
  6. Step 6: Final answer
    x = 1,488,047.10

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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.