Home / 1,018,153.04-1,405,030.92-565,428.56

Finding the Fourth Proportional to 1,018,153.04, 1,405,030.92 and 565,428.56

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Solution

The fourth proportional to 1,018,153.04, 1,405,030.92 and 565,428.56 is: 780,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,153.04 : 1,405,030.92 = 565,428.56 : x
  2. Step 2: Convert to fraction form
    1,018,153.04/1,405,030.92 = 565,428.56/x
  3. Step 3: Cross multiply
    1,018,153.04x = 1,405,030.92 × 565,428.56
  4. Step 4: Simplify right side
    1,018,153.04x = 794,444,609,851.08
  5. Step 5: Solve for x
    x = 794,444,609,851.08/1,018,153.04
  6. Step 6: Final answer
    x = 780,280.15

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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.