Home / 1,298,827.35-1,792,437.08-725,867.51

Finding the Fourth Proportional to 1,298,827.35, 1,792,437.08 and 725,867.51

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Solution

The fourth proportional to 1,298,827.35, 1,792,437.08 and 725,867.51 is: 1,001,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,827.35 : 1,792,437.08 = 725,867.51 : x
  2. Step 2: Convert to fraction form
    1,298,827.35/1,792,437.08 = 725,867.51/x
  3. Step 3: Cross multiply
    1,298,827.35x = 1,792,437.08 × 725,867.51
  4. Step 4: Simplify right side
    1,298,827.35x = 1,301,071,827,499.75
  5. Step 5: Solve for x
    x = 1,301,071,827,499.75/1,298,827.35
  6. Step 6: Final answer
    x = 1,001,728.08

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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.