Home / 1,487,672-2,052,979.68-808,612.16

Finding the Fourth Proportional to 1,487,672, 2,052,979.68 and 808,612.16

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Solution

The fourth proportional to 1,487,672, 2,052,979.68 and 808,612.16 is: 1,115,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,672 : 2,052,979.68 = 808,612.16 : x
  2. Step 2: Convert to fraction form
    1,487,672/2,052,979.68 = 808,612.16/x
  3. Step 3: Cross multiply
    1,487,672x = 2,052,979.68 × 808,612.16
  4. Step 4: Simplify right side
    1,487,672x = 1,660,064,333,480.91
  5. Step 5: Solve for x
    x = 1,660,064,333,480.91/1,487,672
  6. Step 6: Final answer
    x = 1,115,880.61

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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.