Home / 1,306,740.35-1,803,322.95-726,000.95

Finding the Fourth Proportional to 1,306,740.35, 1,803,322.95 and 726,000.95

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Solution

The fourth proportional to 1,306,740.35, 1,803,322.95 and 726,000.95 is: 1,001,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,740.35 : 1,803,322.95 = 726,000.95 : x
  2. Step 2: Convert to fraction form
    1,306,740.35/1,803,322.95 = 726,000.95/x
  3. Step 3: Cross multiply
    1,306,740.35x = 1,803,322.95 × 726,000.95
  4. Step 4: Simplify right side
    1,306,740.35x = 1,309,214,171,570.76
  5. Step 5: Solve for x
    x = 1,309,214,171,570.76/1,306,740.35
  6. Step 6: Final answer
    x = 1,001,893.13

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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.