Home / 1,386,559.72-2,078,461.77-964,949.86

Finding the Fourth Proportional to 1,386,559.72, 2,078,461.77 and 964,949.86

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Solution

The fourth proportional to 1,386,559.72, 2,078,461.77 and 964,949.86 is: 1,446,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,559.72 : 2,078,461.77 = 964,949.86 : x
  2. Step 2: Convert to fraction form
    1,386,559.72/2,078,461.77 = 964,949.86/x
  3. Step 3: Cross multiply
    1,386,559.72x = 2,078,461.77 × 964,949.86
  4. Step 4: Simplify right side
    1,386,559.72x = 2,005,611,398,384.21
  5. Step 5: Solve for x
    x = 2,005,611,398,384.21/1,386,559.72
  6. Step 6: Final answer
    x = 1,446,465.93

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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.