Home / 1,018,155.04-1,405,033.68-565,430.56

Finding the Fourth Proportional to 1,018,155.04, 1,405,033.68 and 565,430.56

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Solution

The fourth proportional to 1,018,155.04, 1,405,033.68 and 565,430.56 is: 780,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,155.04 : 1,405,033.68 = 565,430.56 : x
  2. Step 2: Convert to fraction form
    1,018,155.04/1,405,033.68 = 565,430.56/x
  3. Step 3: Cross multiply
    1,018,155.04x = 1,405,033.68 × 565,430.56
  4. Step 4: Simplify right side
    1,018,155.04x = 794,448,980,501.26
  5. Step 5: Solve for x
    x = 794,448,980,501.26/1,018,155.04
  6. Step 6: Final answer
    x = 780,282.91

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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.