Home / 999,973.84-1,379,929.84-570,393.04

Finding the Fourth Proportional to 999,973.84, 1,379,929.84 and 570,393.04

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Solution

The fourth proportional to 999,973.84, 1,379,929.84 and 570,393.04 is: 787,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,973.84 : 1,379,929.84 = 570,393.04 : x
  2. Step 2: Convert to fraction form
    999,973.84/1,379,929.84 = 570,393.04/x
  3. Step 3: Cross multiply
    999,973.84x = 1,379,929.84 × 570,393.04
  4. Step 4: Simplify right side
    999,973.84x = 787,102,376,424.31
  5. Step 5: Solve for x
    x = 787,102,376,424.31/999,973.84
  6. Step 6: Final answer
    x = 787,122.97

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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.