Home / 1,030,955.40-1,422,726.18-572,071.77

Finding the Fourth Proportional to 1,030,955.40, 1,422,726.18 and 572,071.77

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Solution

The fourth proportional to 1,030,955.40, 1,422,726.18 and 572,071.77 is: 789,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,955.40 : 1,422,726.18 = 572,071.77 : x
  2. Step 2: Convert to fraction form
    1,030,955.40/1,422,726.18 = 572,071.77/x
  3. Step 3: Cross multiply
    1,030,955.40x = 1,422,726.18 × 572,071.77
  4. Step 4: Simplify right side
    1,030,955.40x = 813,901,484,017.94
  5. Step 5: Solve for x
    x = 813,901,484,017.94/1,030,955.40
  6. Step 6: Final answer
    x = 789,463.33

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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.