Home / 1,184,794.98-1,635,012.12-640,929.40

Finding the Fourth Proportional to 1,184,794.98, 1,635,012.12 and 640,929.40

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Solution

The fourth proportional to 1,184,794.98, 1,635,012.12 and 640,929.40 is: 884,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,794.98 : 1,635,012.12 = 640,929.40 : x
  2. Step 2: Convert to fraction form
    1,184,794.98/1,635,012.12 = 640,929.40/x
  3. Step 3: Cross multiply
    1,184,794.98x = 1,635,012.12 × 640,929.40
  4. Step 4: Simplify right side
    1,184,794.98x = 1,047,927,337,064.33
  5. Step 5: Solve for x
    x = 1,047,927,337,064.33/1,184,794.98
  6. Step 6: Final answer
    x = 884,479.89

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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.