Home / 1,018,408.48-1,405,364.40-565,728.16

Finding the Fourth Proportional to 1,018,408.48, 1,405,364.40 and 565,728.16

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Solution

The fourth proportional to 1,018,408.48, 1,405,364.40 and 565,728.16 is: 780,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,408.48 : 1,405,364.40 = 565,728.16 : x
  2. Step 2: Convert to fraction form
    1,018,408.48/1,405,364.40 = 565,728.16/x
  3. Step 3: Cross multiply
    1,018,408.48x = 1,405,364.40 × 565,728.16
  4. Step 4: Simplify right side
    1,018,408.48x = 795,054,216,141.50
  5. Step 5: Solve for x
    x = 795,054,216,141.50/1,018,408.48
  6. Step 6: Final answer
    x = 780,683.03

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1.5x scale

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.