Home / 1,350,554.80-2,026,139.40-789,300.40

Finding the Fourth Proportional to 1,350,554.80, 2,026,139.40 and 789,300.40

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Solution

The fourth proportional to 1,350,554.80, 2,026,139.40 and 789,300.40 is: 1,184,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,554.80 : 2,026,139.40 = 789,300.40 : x
  2. Step 2: Convert to fraction form
    1,350,554.80/2,026,139.40 = 789,300.40/x
  3. Step 3: Cross multiply
    1,350,554.80x = 2,026,139.40 × 789,300.40
  4. Step 4: Simplify right side
    1,350,554.80x = 1,599,232,638,875.76
  5. Step 5: Solve for x
    x = 1,599,232,638,875.76/1,350,554.80
  6. Step 6: Final answer
    x = 1,184,130.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.