Home / 1,030,143.40-1,541,715.90-904,172.20

Finding the Fourth Proportional to 1,030,143.40, 1,541,715.90 and 904,172.20

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Solution

The fourth proportional to 1,030,143.40, 1,541,715.90 and 904,172.20 is: 1,353,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,143.40 : 1,541,715.90 = 904,172.20 : x
  2. Step 2: Convert to fraction form
    1,030,143.40/1,541,715.90 = 904,172.20/x
  3. Step 3: Cross multiply
    1,030,143.40x = 1,541,715.90 × 904,172.20
  4. Step 4: Simplify right side
    1,030,143.40x = 1,393,976,657,077.98
  5. Step 5: Solve for x
    x = 1,393,976,657,077.98/1,030,143.40
  6. Step 6: Final answer
    x = 1,353,187.00

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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.