Home / 1,048,887.20-1,574,108.40-693,783.20

Finding the Fourth Proportional to 1,048,887.20, 1,574,108.40 and 693,783.20

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Solution

The fourth proportional to 1,048,887.20, 1,574,108.40 and 693,783.20 is: 1,041,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,887.20 : 1,574,108.40 = 693,783.20 : x
  2. Step 2: Convert to fraction form
    1,048,887.20/1,574,108.40 = 693,783.20/x
  3. Step 3: Cross multiply
    1,048,887.20x = 1,574,108.40 × 693,783.20
  4. Step 4: Simplify right side
    1,048,887.20x = 1,092,089,962,898.88
  5. Step 5: Solve for x
    x = 1,092,089,962,898.88/1,048,887.20
  6. Step 6: Final answer
    x = 1,041,189.14

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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.