Home / 1,076,281.30-1,615,977.15-811,897.30

Finding the Fourth Proportional to 1,076,281.30, 1,615,977.15 and 811,897.30

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Solution

The fourth proportional to 1,076,281.30, 1,615,977.15 and 811,897.30 is: 1,219,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,281.30 : 1,615,977.15 = 811,897.30 : x
  2. Step 2: Convert to fraction form
    1,076,281.30/1,615,977.15 = 811,897.30/x
  3. Step 3: Cross multiply
    1,076,281.30x = 1,615,977.15 × 811,897.30
  4. Step 4: Simplify right side
    1,076,281.30x = 1,312,007,484,946.70
  5. Step 5: Solve for x
    x = 1,312,007,484,946.70/1,076,281.30
  6. Step 6: Final answer
    x = 1,219,019.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.