Home / 1,069,656.30-1,604,484.45-831,710.70

Finding the Fourth Proportional to 1,069,656.30, 1,604,484.45 and 831,710.70

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Solution

The fourth proportional to 1,069,656.30, 1,604,484.45 and 831,710.70 is: 1,247,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,656.30 : 1,604,484.45 = 831,710.70 : x
  2. Step 2: Convert to fraction form
    1,069,656.30/1,604,484.45 = 831,710.70/x
  3. Step 3: Cross multiply
    1,069,656.30x = 1,604,484.45 × 831,710.70
  4. Step 4: Simplify right side
    1,069,656.30x = 1,334,466,885,048.62
  5. Step 5: Solve for x
    x = 1,334,466,885,048.62/1,069,656.30
  6. Step 6: Final answer
    x = 1,247,566.05

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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.