Home / 1,110,461.57-1,666,355.96-1,020,116.60

Finding the Fourth Proportional to 1,110,461.57, 1,666,355.96 and 1,020,116.60

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Solution

The fourth proportional to 1,110,461.57, 1,666,355.96 and 1,020,116.60 is: 1,530,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,461.57 : 1,666,355.96 = 1,020,116.60 : x
  2. Step 2: Convert to fraction form
    1,110,461.57/1,666,355.96 = 1,020,116.60/x
  3. Step 3: Cross multiply
    1,110,461.57x = 1,666,355.96 × 1,020,116.60
  4. Step 4: Simplify right side
    1,110,461.57x = 1,699,877,376,304.94
  5. Step 5: Solve for x
    x = 1,699,877,376,304.94/1,110,461.57
  6. Step 6: Final answer
    x = 1,530,784.52

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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.