Home / 1,130,487.02-1,560,141.87-647,041.86

Finding the Fourth Proportional to 1,130,487.02, 1,560,141.87 and 647,041.86

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Solution

The fourth proportional to 1,130,487.02, 1,560,141.87 and 647,041.86 is: 892,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,487.02 : 1,560,141.87 = 647,041.86 : x
  2. Step 2: Convert to fraction form
    1,130,487.02/1,560,141.87 = 647,041.86/x
  3. Step 3: Cross multiply
    1,130,487.02x = 1,560,141.87 × 647,041.86
  4. Step 4: Simplify right side
    1,130,487.02x = 1,009,477,097,428.68
  5. Step 5: Solve for x
    x = 1,009,477,097,428.68/1,130,487.02
  6. Step 6: Final answer
    x = 892,957.71

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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.