Home / 1,069,879.41-1,604,802.92-260,271.45

Finding the Fourth Proportional to 1,069,879.41, 1,604,802.92 and 260,271.45

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Solution

The fourth proportional to 1,069,879.41, 1,604,802.92 and 260,271.45 is: 390,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,879.41 : 1,604,802.92 = 260,271.45 : x
  2. Step 2: Convert to fraction form
    1,069,879.41/1,604,802.92 = 260,271.45/x
  3. Step 3: Cross multiply
    1,069,879.41x = 1,604,802.92 × 260,271.45
  4. Step 4: Simplify right side
    1,069,879.41x = 417,684,381,651.28
  5. Step 5: Solve for x
    x = 417,684,381,651.28/1,069,879.41
  6. Step 6: Final answer
    x = 390,403.23

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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.