Home / 1,417,970.71-1,956,822.91-773,390.90

Finding the Fourth Proportional to 1,417,970.71, 1,956,822.91 and 773,390.90

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Solution

The fourth proportional to 1,417,970.71, 1,956,822.91 and 773,390.90 is: 1,067,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,970.71 : 1,956,822.91 = 773,390.90 : x
  2. Step 2: Convert to fraction form
    1,417,970.71/1,956,822.91 = 773,390.90/x
  3. Step 3: Cross multiply
    1,417,970.71x = 1,956,822.91 × 773,390.90
  4. Step 4: Simplify right side
    1,417,970.71x = 1,513,389,034,464.10
  5. Step 5: Solve for x
    x = 1,513,389,034,464.10/1,417,970.71
  6. Step 6: Final answer
    x = 1,067,292.17

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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.