Home / 1,174,434-1,620,720.54-637,890

Finding the Fourth Proportional to 1,174,434, 1,620,720.54 and 637,890

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Solution

The fourth proportional to 1,174,434, 1,620,720.54 and 637,890 is: 880,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,434 : 1,620,720.54 = 637,890 : x
  2. Step 2: Convert to fraction form
    1,174,434/1,620,720.54 = 637,890/x
  3. Step 3: Cross multiply
    1,174,434x = 1,620,720.54 × 637,890
  4. Step 4: Simplify right side
    1,174,434x = 1,033,841,425,260.60
  5. Step 5: Solve for x
    x = 1,033,841,425,260.60/1,174,434
  6. Step 6: Final answer
    x = 880,289.08

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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.