Home / 1,045,670.02-1,567,816.70-689,598.34

Finding the Fourth Proportional to 1,045,670.02, 1,567,816.70 and 689,598.34

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Solution

The fourth proportional to 1,045,670.02, 1,567,816.70 and 689,598.34 is: 1,033,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,670.02 : 1,567,816.70 = 689,598.34 : x
  2. Step 2: Convert to fraction form
    1,045,670.02/1,567,816.70 = 689,598.34/x
  3. Step 3: Cross multiply
    1,045,670.02x = 1,567,816.70 × 689,598.34
  4. Step 4: Simplify right side
    1,045,670.02x = 1,081,163,793,744.28
  5. Step 5: Solve for x
    x = 1,081,163,793,744.28/1,045,670.02
  6. Step 6: Final answer
    x = 1,033,943.57

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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.