Home / 1,110,459.42-1,666,352.74-1,020,114.45

Finding the Fourth Proportional to 1,110,459.42, 1,666,352.74 and 1,020,114.45

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Solution

The fourth proportional to 1,110,459.42, 1,666,352.74 and 1,020,114.45 is: 1,530,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,459.42 : 1,666,352.74 = 1,020,114.45 : x
  2. Step 2: Convert to fraction form
    1,110,459.42/1,666,352.74 = 1,020,114.45/x
  3. Step 3: Cross multiply
    1,110,459.42x = 1,666,352.74 × 1,020,114.45
  4. Step 4: Simplify right side
    1,110,459.42x = 1,699,870,510,486.69
  5. Step 5: Solve for x
    x = 1,699,870,510,486.69/1,110,459.42
  6. Step 6: Final answer
    x = 1,530,781.29

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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.