Home / 1,362,283.12-1,879,663.08-789,288.40

Finding the Fourth Proportional to 1,362,283.12, 1,879,663.08 and 789,288.40

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Solution

The fourth proportional to 1,362,283.12, 1,879,663.08 and 789,288.40 is: 1,089,051.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,283.12 : 1,879,663.08 = 789,288.40 : x
  2. Step 2: Convert to fraction form
    1,362,283.12/1,879,663.08 = 789,288.40/x
  3. Step 3: Cross multiply
    1,362,283.12x = 1,879,663.08 × 789,288.40
  4. Step 4: Simplify right side
    1,362,283.12x = 1,483,596,264,952.27
  5. Step 5: Solve for x
    x = 1,483,596,264,952.27/1,362,283.12
  6. Step 6: Final answer
    x = 1,089,051.35

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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.