Home / 1,621,095.95-2,429,239.28-660,377.94

Finding the Fourth Proportional to 1,621,095.95, 2,429,239.28 and 660,377.94

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Solution

The fourth proportional to 1,621,095.95, 2,429,239.28 and 660,377.94 is: 989,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,095.95 : 2,429,239.28 = 660,377.94 : x
  2. Step 2: Convert to fraction form
    1,621,095.95/2,429,239.28 = 660,377.94/x
  3. Step 3: Cross multiply
    1,621,095.95x = 2,429,239.28 × 660,377.94
  4. Step 4: Simplify right side
    1,621,095.95x = 1,604,216,028,191.59
  5. Step 5: Solve for x
    x = 1,604,216,028,191.59/1,621,095.95
  6. Step 6: Final answer
    x = 989,587.34

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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.