Home / 1,638,730-2,261,582.22-903,828.16

Finding the Fourth Proportional to 1,638,730, 2,261,582.22 and 903,828.16

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Solution

The fourth proportional to 1,638,730, 2,261,582.22 and 903,828.16 is: 1,247,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,730 : 2,261,582.22 = 903,828.16 : x
  2. Step 2: Convert to fraction form
    1,638,730/2,261,582.22 = 903,828.16/x
  3. Step 3: Cross multiply
    1,638,730x = 2,261,582.22 × 903,828.16
  4. Step 4: Simplify right side
    1,638,730x = 2,044,081,696,591.32
  5. Step 5: Solve for x
    x = 2,044,081,696,591.32/1,638,730
  6. Step 6: Final answer
    x = 1,247,357.22

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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.