Home / 1,003,800.40-1,385,227.28-551,088.16

Finding the Fourth Proportional to 1,003,800.40, 1,385,227.28 and 551,088.16

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Solution

The fourth proportional to 1,003,800.40, 1,385,227.28 and 551,088.16 is: 760,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,800.40 : 1,385,227.28 = 551,088.16 : x
  2. Step 2: Convert to fraction form
    1,003,800.40/1,385,227.28 = 551,088.16/x
  3. Step 3: Cross multiply
    1,003,800.40x = 1,385,227.28 × 551,088.16
  4. Step 4: Simplify right side
    1,003,800.40x = 763,382,352,917.01
  5. Step 5: Solve for x
    x = 763,382,352,917.01/1,003,800.40
  6. Step 6: Final answer
    x = 760,492.18

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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.