Home / 1,411,211.28-1,947,475.32-766,626.24

Finding the Fourth Proportional to 1,411,211.28, 1,947,475.32 and 766,626.24

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Solution

The fourth proportional to 1,411,211.28, 1,947,475.32 and 766,626.24 is: 1,057,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,211.28 : 1,947,475.32 = 766,626.24 : x
  2. Step 2: Convert to fraction form
    1,411,211.28/1,947,475.32 = 766,626.24/x
  3. Step 3: Cross multiply
    1,411,211.28x = 1,947,475.32 × 766,626.24
  4. Step 4: Simplify right side
    1,411,211.28x = 1,492,985,682,064.40
  5. Step 5: Solve for x
    x = 1,492,985,682,064.40/1,411,211.28
  6. Step 6: Final answer
    x = 1,057,946.25

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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.