Home / 1,223,269.24-1,688,090.16-679,384.24

Finding the Fourth Proportional to 1,223,269.24, 1,688,090.16 and 679,384.24

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Solution

The fourth proportional to 1,223,269.24, 1,688,090.16 and 679,384.24 is: 937,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,269.24 : 1,688,090.16 = 679,384.24 : x
  2. Step 2: Convert to fraction form
    1,223,269.24/1,688,090.16 = 679,384.24/x
  3. Step 3: Cross multiply
    1,223,269.24x = 1,688,090.16 × 679,384.24
  4. Step 4: Simplify right side
    1,223,269.24x = 1,146,861,850,403.08
  5. Step 5: Solve for x
    x = 1,146,861,850,403.08/1,223,269.24
  6. Step 6: Final answer
    x = 937,538.37

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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.