Home / 1,457,497.86-2,011,349.84-812,959.80

Finding the Fourth Proportional to 1,457,497.86, 2,011,349.84 and 812,959.80

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Solution

The fourth proportional to 1,457,497.86, 2,011,349.84 and 812,959.80 is: 1,121,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,497.86 : 2,011,349.84 = 812,959.80 : x
  2. Step 2: Convert to fraction form
    1,457,497.86/2,011,349.84 = 812,959.80/x
  3. Step 3: Cross multiply
    1,457,497.86x = 2,011,349.84 × 812,959.80
  4. Step 4: Simplify right side
    1,457,497.86x = 1,635,146,563,656.43
  5. Step 5: Solve for x
    x = 1,635,146,563,656.43/1,457,497.86
  6. Step 6: Final answer
    x = 1,121,886.08

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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.