Home / 1,069,870.41-1,604,789.42-260,262.45

Finding the Fourth Proportional to 1,069,870.41, 1,604,789.42 and 260,262.45

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Solution

The fourth proportional to 1,069,870.41, 1,604,789.42 and 260,262.45 is: 390,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,870.41 : 1,604,789.42 = 260,262.45 : x
  2. Step 2: Convert to fraction form
    1,069,870.41/1,604,789.42 = 260,262.45/x
  3. Step 3: Cross multiply
    1,069,870.41x = 1,604,789.42 × 260,262.45
  4. Step 4: Simplify right side
    1,069,870.41x = 417,666,424,881.97
  5. Step 5: Solve for x
    x = 417,666,424,881.97/1,069,870.41
  6. Step 6: Final answer
    x = 390,389.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.