Home / 1,129,923.84-1,559,566.32-646,769.04

Finding the Fourth Proportional to 1,129,923.84, 1,559,566.32 and 646,769.04

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Solution

The fourth proportional to 1,129,923.84, 1,559,566.32 and 646,769.04 is: 892,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,923.84 : 1,559,566.32 = 646,769.04 : x
  2. Step 2: Convert to fraction form
    1,129,923.84/1,559,566.32 = 646,769.04/x
  3. Step 3: Cross multiply
    1,129,923.84x = 1,559,566.32 × 646,769.04
  4. Step 4: Simplify right side
    1,129,923.84x = 1,008,679,211,602.73
  5. Step 5: Solve for x
    x = 1,008,679,211,602.73/1,129,923.84
  6. Step 6: Final answer
    x = 892,696.64

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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.