Home / 1,384,219.40-2,075,940.30-437,880.20

Finding the Fourth Proportional to 1,384,219.40, 2,075,940.30 and 437,880.20

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Solution

The fourth proportional to 1,384,219.40, 2,075,940.30 and 437,880.20 is: 656,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,219.40 : 2,075,940.30 = 437,880.20 : x
  2. Step 2: Convert to fraction form
    1,384,219.40/2,075,940.30 = 437,880.20/x
  3. Step 3: Cross multiply
    1,384,219.40x = 2,075,940.30 × 437,880.20
  4. Step 4: Simplify right side
    1,384,219.40x = 909,013,153,752.06
  5. Step 5: Solve for x
    x = 909,013,153,752.06/1,384,219.40
  6. Step 6: Final answer
    x = 656,697.31

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1.5x scale

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.