Home / 1,091,121.90-1,636,974.45-973,607.10

Finding the Fourth Proportional to 1,091,121.90, 1,636,974.45 and 973,607.10

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Solution

The fourth proportional to 1,091,121.90, 1,636,974.45 and 973,607.10 is: 1,460,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,121.90 : 1,636,974.45 = 973,607.10 : x
  2. Step 2: Convert to fraction form
    1,091,121.90/1,636,974.45 = 973,607.10/x
  3. Step 3: Cross multiply
    1,091,121.90x = 1,636,974.45 × 973,607.10
  4. Step 4: Simplify right side
    1,091,121.90x = 1,593,769,947,038.60
  5. Step 5: Solve for x
    x = 1,593,769,947,038.60/1,091,121.90
  6. Step 6: Final answer
    x = 1,460,670.84

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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.