Home / 1,319,209.74-1,820,510.10-746,237.88

Finding the Fourth Proportional to 1,319,209.74, 1,820,510.10 and 746,237.88

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Solution

The fourth proportional to 1,319,209.74, 1,820,510.10 and 746,237.88 is: 1,029,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,209.74 : 1,820,510.10 = 746,237.88 : x
  2. Step 2: Convert to fraction form
    1,319,209.74/1,820,510.10 = 746,237.88/x
  3. Step 3: Cross multiply
    1,319,209.74x = 1,820,510.10 × 746,237.88
  4. Step 4: Simplify right side
    1,319,209.74x = 1,358,533,597,542.59
  5. Step 5: Solve for x
    x = 1,358,533,597,542.59/1,319,209.74
  6. Step 6: Final answer
    x = 1,029,808.65

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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.