Home / 1,035,000.80-1,552,501.20-869,663.60

Finding the Fourth Proportional to 1,035,000.80, 1,552,501.20 and 869,663.60

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Solution

The fourth proportional to 1,035,000.80, 1,552,501.20 and 869,663.60 is: 1,304,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,000.80 : 1,552,501.20 = 869,663.60 : x
  2. Step 2: Convert to fraction form
    1,035,000.80/1,552,501.20 = 869,663.60/x
  3. Step 3: Cross multiply
    1,035,000.80x = 1,552,501.20 × 869,663.60
  4. Step 4: Simplify right side
    1,035,000.80x = 1,350,153,782,596.32
  5. Step 5: Solve for x
    x = 1,350,153,782,596.32/1,035,000.80
  6. Step 6: Final answer
    x = 1,304,495.40

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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.