Home / 1,457,248.92-2,010,999.60-812,669.84

Finding the Fourth Proportional to 1,457,248.92, 2,010,999.60 and 812,669.84

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Solution

The fourth proportional to 1,457,248.92, 2,010,999.60 and 812,669.84 is: 1,121,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,248.92 : 2,010,999.60 = 812,669.84 : x
  2. Step 2: Convert to fraction form
    1,457,248.92/2,010,999.60 = 812,669.84/x
  3. Step 3: Cross multiply
    1,457,248.92x = 2,010,999.60 × 812,669.84
  4. Step 4: Simplify right side
    1,457,248.92x = 1,634,278,723,172.06
  5. Step 5: Solve for x
    x = 1,634,278,723,172.06/1,457,248.92
  6. Step 6: Final answer
    x = 1,121,482.20

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1.5x scale

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.