Home / 1,224,000.79-1,836,312.63-718,988.87

Finding the Fourth Proportional to 1,224,000.79, 1,836,312.63 and 718,988.87

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Solution

The fourth proportional to 1,224,000.79, 1,836,312.63 and 718,988.87 is: 1,078,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,000.79 : 1,836,312.63 = 718,988.87 : x
  2. Step 2: Convert to fraction form
    1,224,000.79/1,836,312.63 = 718,988.87/x
  3. Step 3: Cross multiply
    1,224,000.79x = 1,836,312.63 × 718,988.87
  4. Step 4: Simplify right side
    1,224,000.79x = 1,320,288,339,215.48
  5. Step 5: Solve for x
    x = 1,320,288,339,215.48/1,224,000.79
  6. Step 6: Final answer
    x = 1,078,666.25

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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.