Home / 1,434,730.05-1,979,903.34-790,210.26

Finding the Fourth Proportional to 1,434,730.05, 1,979,903.34 and 790,210.26

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Solution

The fourth proportional to 1,434,730.05, 1,979,903.34 and 790,210.26 is: 1,090,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,730.05 : 1,979,903.34 = 790,210.26 : x
  2. Step 2: Convert to fraction form
    1,434,730.05/1,979,903.34 = 790,210.26/x
  3. Step 3: Cross multiply
    1,434,730.05x = 1,979,903.34 × 790,210.26
  4. Step 4: Simplify right side
    1,434,730.05x = 1,564,539,933,076.27
  5. Step 5: Solve for x
    x = 1,564,539,933,076.27/1,434,730.05
  6. Step 6: Final answer
    x = 1,090,476.87

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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.