Home / 1,064,607.20-1,596,910.80-686,693.60

Finding the Fourth Proportional to 1,064,607.20, 1,596,910.80 and 686,693.60

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Solution

The fourth proportional to 1,064,607.20, 1,596,910.80 and 686,693.60 is: 1,030,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,607.20 : 1,596,910.80 = 686,693.60 : x
  2. Step 2: Convert to fraction form
    1,064,607.20/1,596,910.80 = 686,693.60/x
  3. Step 3: Cross multiply
    1,064,607.20x = 1,596,910.80 × 686,693.60
  4. Step 4: Simplify right side
    1,064,607.20x = 1,096,588,426,130.88
  5. Step 5: Solve for x
    x = 1,096,588,426,130.88/1,064,607.20
  6. Step 6: Final answer
    x = 1,030,040.40

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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.