Home / 1,077,415.70-1,616,123.55-699,502.10

Finding the Fourth Proportional to 1,077,415.70, 1,616,123.55 and 699,502.10

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Solution

The fourth proportional to 1,077,415.70, 1,616,123.55 and 699,502.10 is: 1,049,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,415.70 : 1,616,123.55 = 699,502.10 : x
  2. Step 2: Convert to fraction form
    1,077,415.70/1,616,123.55 = 699,502.10/x
  3. Step 3: Cross multiply
    1,077,415.70x = 1,616,123.55 × 699,502.10
  4. Step 4: Simplify right side
    1,077,415.70x = 1,130,481,817,084.46
  5. Step 5: Solve for x
    x = 1,130,481,817,084.46/1,077,415.70
  6. Step 6: Final answer
    x = 1,049,253.15

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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.