Home / 1,107,945.74-1,529,082.63-649,445.51

Finding the Fourth Proportional to 1,107,945.74, 1,529,082.63 and 649,445.51

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Solution

The fourth proportional to 1,107,945.74, 1,529,082.63 and 649,445.51 is: 896,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,945.74 : 1,529,082.63 = 649,445.51 : x
  2. Step 2: Convert to fraction form
    1,107,945.74/1,529,082.63 = 649,445.51/x
  3. Step 3: Cross multiply
    1,107,945.74x = 1,529,082.63 × 649,445.51
  4. Step 4: Simplify right side
    1,107,945.74x = 993,055,840,827.08
  5. Step 5: Solve for x
    x = 993,055,840,827.08/1,107,945.74
  6. Step 6: Final answer
    x = 896,303.68

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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.