Home / 943,260.72-1,301,279.16-637,238.64

Finding the Fourth Proportional to 943,260.72, 1,301,279.16 and 637,238.64

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Solution

The fourth proportional to 943,260.72, 1,301,279.16 and 637,238.64 is: 879,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,260.72 : 1,301,279.16 = 637,238.64 : x
  2. Step 2: Convert to fraction form
    943,260.72/1,301,279.16 = 637,238.64/x
  3. Step 3: Cross multiply
    943,260.72x = 1,301,279.16 × 637,238.64
  4. Step 4: Simplify right side
    943,260.72x = 829,225,362,178.74
  5. Step 5: Solve for x
    x = 829,225,362,178.74/943,260.72
  6. Step 6: Final answer
    x = 879,105.16

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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.