Home / 1,184,490.48-1,634,596.84-640,626.32

Finding the Fourth Proportional to 1,184,490.48, 1,634,596.84 and 640,626.32

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Solution

The fourth proportional to 1,184,490.48, 1,634,596.84 and 640,626.32 is: 884,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,490.48 : 1,634,596.84 = 640,626.32 : x
  2. Step 2: Convert to fraction form
    1,184,490.48/1,634,596.84 = 640,626.32/x
  3. Step 3: Cross multiply
    1,184,490.48x = 1,634,596.84 × 640,626.32
  4. Step 4: Simplify right side
    1,184,490.48x = 1,047,165,758,292.83
  5. Step 5: Solve for x
    x = 1,047,165,758,292.83/1,184,490.48
  6. Step 6: Final answer
    x = 884,064.31

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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.