Home / 1,130,016.65-1,559,433.74-620,719.02

Finding the Fourth Proportional to 1,130,016.65, 1,559,433.74 and 620,719.02

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Solution

The fourth proportional to 1,130,016.65, 1,559,433.74 and 620,719.02 is: 856,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,016.65 : 1,559,433.74 = 620,719.02 : x
  2. Step 2: Convert to fraction form
    1,130,016.65/1,559,433.74 = 620,719.02/x
  3. Step 3: Cross multiply
    1,130,016.65x = 1,559,433.74 × 620,719.02
  4. Step 4: Simplify right side
    1,130,016.65x = 967,970,179,744.14
  5. Step 5: Solve for x
    x = 967,970,179,744.14/1,130,016.65
  6. Step 6: Final answer
    x = 856,598.16

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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.