Home / 1,506,185.94-2,078,474.40-817,830.84

Finding the Fourth Proportional to 1,506,185.94, 2,078,474.40 and 817,830.84

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Solution

The fourth proportional to 1,506,185.94, 2,078,474.40 and 817,830.84 is: 1,128,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,185.94 : 2,078,474.40 = 817,830.84 : x
  2. Step 2: Convert to fraction form
    1,506,185.94/2,078,474.40 = 817,830.84/x
  3. Step 3: Cross multiply
    1,506,185.94x = 2,078,474.40 × 817,830.84
  4. Step 4: Simplify right side
    1,506,185.94x = 1,699,840,464,470.50
  5. Step 5: Solve for x
    x = 1,699,840,464,470.50/1,506,185.94
  6. Step 6: Final answer
    x = 1,128,572.79

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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.