Home / 1,386,235.10-2,079,352.65-789,038.30

Finding the Fourth Proportional to 1,386,235.10, 2,079,352.65 and 789,038.30

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Solution

The fourth proportional to 1,386,235.10, 2,079,352.65 and 789,038.30 is: 1,183,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,235.10 : 2,079,352.65 = 789,038.30 : x
  2. Step 2: Convert to fraction form
    1,386,235.10/2,079,352.65 = 789,038.30/x
  3. Step 3: Cross multiply
    1,386,235.10x = 2,079,352.65 × 789,038.30
  4. Step 4: Simplify right side
    1,386,235.10x = 1,640,688,880,056.50
  5. Step 5: Solve for x
    x = 1,640,688,880,056.50/1,386,235.10
  6. Step 6: Final answer
    x = 1,183,557.45

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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.