Home / 1,384,430.64-1,910,510.52-772,577.04

Finding the Fourth Proportional to 1,384,430.64, 1,910,510.52 and 772,577.04

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Solution

The fourth proportional to 1,384,430.64, 1,910,510.52 and 772,577.04 is: 1,066,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,430.64 : 1,910,510.52 = 772,577.04 : x
  2. Step 2: Convert to fraction form
    1,384,430.64/1,910,510.52 = 772,577.04/x
  3. Step 3: Cross multiply
    1,384,430.64x = 1,910,510.52 × 772,577.04
  4. Step 4: Simplify right side
    1,384,430.64x = 1,476,016,562,430.46
  5. Step 5: Solve for x
    x = 1,476,016,562,430.46/1,384,430.64
  6. Step 6: Final answer
    x = 1,066,154.22

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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.