Home / 1,689,000.75-2,330,837.46-1,009,937.25

Finding the Fourth Proportional to 1,689,000.75, 2,330,837.46 and 1,009,937.25

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Solution

The fourth proportional to 1,689,000.75, 2,330,837.46 and 1,009,937.25 is: 1,393,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,000.75 : 2,330,837.46 = 1,009,937.25 : x
  2. Step 2: Convert to fraction form
    1,689,000.75/2,330,837.46 = 1,009,937.25/x
  3. Step 3: Cross multiply
    1,689,000.75x = 2,330,837.46 × 1,009,937.25
  4. Step 4: Simplify right side
    1,689,000.75x = 2,353,999,574,549.38
  5. Step 5: Solve for x
    x = 2,353,999,574,549.38/1,689,000.75
  6. Step 6: Final answer
    x = 1,393,723.23

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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.