Home / 1,457,245.42-2,010,994.77-812,666.34

Finding the Fourth Proportional to 1,457,245.42, 2,010,994.77 and 812,666.34

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Solution

The fourth proportional to 1,457,245.42, 2,010,994.77 and 812,666.34 is: 1,121,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,245.42 : 2,010,994.77 = 812,666.34 : x
  2. Step 2: Convert to fraction form
    1,457,245.42/2,010,994.77 = 812,666.34/x
  3. Step 3: Cross multiply
    1,457,245.42x = 2,010,994.77 × 812,666.34
  4. Step 4: Simplify right side
    1,457,245.42x = 1,634,267,759,495.04
  5. Step 5: Solve for x
    x = 1,634,267,759,495.04/1,457,245.42
  6. Step 6: Final answer
    x = 1,121,477.37

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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.