Home / 1,139,319.02-1,708,724.29-340,496.76

Finding the Fourth Proportional to 1,139,319.02, 1,708,724.29 and 340,496.76

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Solution

The fourth proportional to 1,139,319.02, 1,708,724.29 and 340,496.76 is: 510,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,319.02 : 1,708,724.29 = 340,496.76 : x
  2. Step 2: Convert to fraction form
    1,139,319.02/1,708,724.29 = 340,496.76/x
  3. Step 3: Cross multiply
    1,139,319.02x = 1,708,724.29 × 340,496.76
  4. Step 4: Simplify right side
    1,139,319.02x = 581,815,089,715.56
  5. Step 5: Solve for x
    x = 581,815,089,715.56/1,139,319.02
  6. Step 6: Final answer
    x = 510,669.16

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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.