Home / 1,219,740.44-1,683,266.12-710,475.60

Finding the Fourth Proportional to 1,219,740.44, 1,683,266.12 and 710,475.60

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Solution

The fourth proportional to 1,219,740.44, 1,683,266.12 and 710,475.60 is: 980,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,740.44 : 1,683,266.12 = 710,475.60 : x
  2. Step 2: Convert to fraction form
    1,219,740.44/1,683,266.12 = 710,475.60/x
  3. Step 3: Cross multiply
    1,219,740.44x = 1,683,266.12 × 710,475.60
  4. Step 4: Simplify right side
    1,219,740.44x = 1,195,919,506,566.67
  5. Step 5: Solve for x
    x = 1,195,919,506,566.67/1,219,740.44
  6. Step 6: Final answer
    x = 980,470.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.