Home / 1,384,382.08-1,910,443.69-772,528.35

Finding the Fourth Proportional to 1,384,382.08, 1,910,443.69 and 772,528.35

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Solution

The fourth proportional to 1,384,382.08, 1,910,443.69 and 772,528.35 is: 1,066,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,382.08 : 1,910,443.69 = 772,528.35 : x
  2. Step 2: Convert to fraction form
    1,384,382.08/1,910,443.69 = 772,528.35/x
  3. Step 3: Cross multiply
    1,384,382.08x = 1,910,443.69 × 772,528.35
  4. Step 4: Simplify right side
    1,384,382.08x = 1,475,871,911,603.61
  5. Step 5: Solve for x
    x = 1,475,871,911,603.61/1,384,382.08
  6. Step 6: Final answer
    x = 1,066,087.13

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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.