Home / 1,890,488.72-2,835,718.48-470,535.28

Finding the Fourth Proportional to 1,890,488.72, 2,835,718.48 and 470,535.28

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Solution

The fourth proportional to 1,890,488.72, 2,835,718.48 and 470,535.28 is: 705,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,488.72 : 2,835,718.48 = 470,535.28 : x
  2. Step 2: Convert to fraction form
    1,890,488.72/2,835,718.48 = 470,535.28/x
  3. Step 3: Cross multiply
    1,890,488.72x = 2,835,718.48 × 470,535.28
  4. Step 4: Simplify right side
    1,890,488.72x = 1,334,305,588,987.97
  5. Step 5: Solve for x
    x = 1,334,305,588,987.97/1,890,488.72
  6. Step 6: Final answer
    x = 705,799.29

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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.