Home / 1,457,443.62-2,011,274.88-812,905.36

Finding the Fourth Proportional to 1,457,443.62, 2,011,274.88 and 812,905.36

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Solution

The fourth proportional to 1,457,443.62, 2,011,274.88 and 812,905.36 is: 1,121,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,443.62 : 2,011,274.88 = 812,905.36 : x
  2. Step 2: Convert to fraction form
    1,457,443.62/2,011,274.88 = 812,905.36/x
  3. Step 3: Cross multiply
    1,457,443.62x = 2,011,274.88 × 812,905.36
  4. Step 4: Simplify right side
    1,457,443.62x = 1,634,976,130,385.36
  5. Step 5: Solve for x
    x = 1,634,976,130,385.36/1,457,443.62
  6. Step 6: Final answer
    x = 1,121,810.89

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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.