Home / 1,389,437.38-1,917,423.58-753,533.38

Finding the Fourth Proportional to 1,389,437.38, 1,917,423.58 and 753,533.38

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Solution

The fourth proportional to 1,389,437.38, 1,917,423.58 and 753,533.38 is: 1,039,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,437.38 : 1,917,423.58 = 753,533.38 : x
  2. Step 2: Convert to fraction form
    1,389,437.38/1,917,423.58 = 753,533.38/x
  3. Step 3: Cross multiply
    1,389,437.38x = 1,917,423.58 × 753,533.38
  4. Step 4: Simplify right side
    1,389,437.38x = 1,444,842,661,541.98
  5. Step 5: Solve for x
    x = 1,444,842,661,541.98/1,389,437.38
  6. Step 6: Final answer
    x = 1,039,876.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.