Home / 1,685,306.76-2,325,722.91-921,360.33

Finding the Fourth Proportional to 1,685,306.76, 2,325,722.91 and 921,360.33

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Solution

The fourth proportional to 1,685,306.76, 2,325,722.91 and 921,360.33 is: 1,271,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,306.76 : 2,325,722.91 = 921,360.33 : x
  2. Step 2: Convert to fraction form
    1,685,306.76/2,325,722.91 = 921,360.33/x
  3. Step 3: Cross multiply
    1,685,306.76x = 2,325,722.91 × 921,360.33
  4. Step 4: Simplify right side
    1,685,306.76x = 2,142,828,827,846.16
  5. Step 5: Solve for x
    x = 2,142,828,827,846.16/1,685,306.76
  6. Step 6: Final answer
    x = 1,271,477.03

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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.