Home / 1,457,260.96-2,011,016.16-812,681.84

Finding the Fourth Proportional to 1,457,260.96, 2,011,016.16 and 812,681.84

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Solution

The fourth proportional to 1,457,260.96, 2,011,016.16 and 812,681.84 is: 1,121,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,260.96 : 2,011,016.16 = 812,681.84 : x
  2. Step 2: Convert to fraction form
    1,457,260.96/2,011,016.16 = 812,681.84/x
  3. Step 3: Cross multiply
    1,457,260.96x = 2,011,016.16 × 812,681.84
  4. Step 4: Simplify right side
    1,457,260.96x = 1,634,316,313,178.53
  5. Step 5: Solve for x
    x = 1,634,316,313,178.53/1,457,260.96
  6. Step 6: Final answer
    x = 1,121,498.73

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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.