Home / 1,230,619.32-1,698,255-679,335.48

Finding the Fourth Proportional to 1,230,619.32, 1,698,255 and 679,335.48

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Solution

The fourth proportional to 1,230,619.32, 1,698,255 and 679,335.48 is: 937,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,619.32 : 1,698,255 = 679,335.48 : x
  2. Step 2: Convert to fraction form
    1,230,619.32/1,698,255 = 679,335.48/x
  3. Step 3: Cross multiply
    1,230,619.32x = 1,698,255 × 679,335.48
  4. Step 4: Simplify right side
    1,230,619.32x = 1,153,684,875,587.40
  5. Step 5: Solve for x
    x = 1,153,684,875,587.40/1,230,619.32
  6. Step 6: Final answer
    x = 937,483.15

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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.