Home / 1,116,062.70-1,674,482.85-485,429.10

Finding the Fourth Proportional to 1,116,062.70, 1,674,482.85 and 485,429.10

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Solution

The fourth proportional to 1,116,062.70, 1,674,482.85 and 485,429.10 is: 728,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,062.70 : 1,674,482.85 = 485,429.10 : x
  2. Step 2: Convert to fraction form
    1,116,062.70/1,674,482.85 = 485,429.10/x
  3. Step 3: Cross multiply
    1,116,062.70x = 1,674,482.85 × 485,429.10
  4. Step 4: Simplify right side
    1,116,062.70x = 812,842,702,840.94
  5. Step 5: Solve for x
    x = 812,842,702,840.94/1,116,062.70
  6. Step 6: Final answer
    x = 728,312.76

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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.