Home / 1,116,154.32-1,674,194.40-485,068.74

Finding the Fourth Proportional to 1,116,154.32, 1,674,194.40 and 485,068.74

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Solution

The fourth proportional to 1,116,154.32, 1,674,194.40 and 485,068.74 is: 727,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,154.32 : 1,674,194.40 = 485,068.74 : x
  2. Step 2: Convert to fraction form
    1,116,154.32/1,674,194.40 = 485,068.74/x
  3. Step 3: Cross multiply
    1,116,154.32x = 1,674,194.40 × 485,068.74
  4. Step 4: Simplify right side
    1,116,154.32x = 812,099,368,123.06
  5. Step 5: Solve for x
    x = 812,099,368,123.06/1,116,154.32
  6. Step 6: Final answer
    x = 727,587.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.