Home / 689,152.51-1,033,023.43-671,864.28

Finding the Fourth Proportional to 689,152.51, 1,033,023.43 and 671,864.28

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Solution

The fourth proportional to 689,152.51, 1,033,023.43 and 671,864.28 is: 1,007,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,152.51 : 1,033,023.43 = 671,864.28 : x
  2. Step 2: Convert to fraction form
    689,152.51/1,033,023.43 = 671,864.28/x
  3. Step 3: Cross multiply
    689,152.51x = 1,033,023.43 × 671,864.28
  4. Step 4: Simplify right side
    689,152.51x = 694,051,543,020.08
  5. Step 5: Solve for x
    x = 694,051,543,020.08/689,152.51
  6. Step 6: Final answer
    x = 1,007,108.78

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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.