Home / 1,213,245.60-1,674,268.08-669,386.16

Finding the Fourth Proportional to 1,213,245.60, 1,674,268.08 and 669,386.16

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Solution

The fourth proportional to 1,213,245.60, 1,674,268.08 and 669,386.16 is: 923,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,245.60 : 1,674,268.08 = 669,386.16 : x
  2. Step 2: Convert to fraction form
    1,213,245.60/1,674,268.08 = 669,386.16/x
  3. Step 3: Cross multiply
    1,213,245.60x = 1,674,268.08 × 669,386.16
  4. Step 4: Simplify right side
    1,213,245.60x = 1,120,731,880,881.77
  5. Step 5: Solve for x
    x = 1,120,731,880,881.77/1,213,245.60
  6. Step 6: Final answer
    x = 923,746.92

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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.