Home / 1,300,366.40-1,794,420.80-727,307.20

Finding the Fourth Proportional to 1,300,366.40, 1,794,420.80 and 727,307.20

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Solution

The fourth proportional to 1,300,366.40, 1,794,420.80 and 727,307.20 is: 1,003,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,366.40 : 1,794,420.80 = 727,307.20 : x
  2. Step 2: Convert to fraction form
    1,300,366.40/1,794,420.80 = 727,307.20/x
  3. Step 3: Cross multiply
    1,300,366.40x = 1,794,420.80 × 727,307.20
  4. Step 4: Simplify right side
    1,300,366.40x = 1,305,095,167,669.76
  5. Step 5: Solve for x
    x = 1,305,095,167,669.76/1,300,366.40
  6. Step 6: Final answer
    x = 1,003,636.49

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1.5x scale

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.