Home / 1,280,940.48-1,921,410.72-334,303.00

Finding the Fourth Proportional to 1,280,940.48, 1,921,410.72 and 334,303.00

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Solution

The fourth proportional to 1,280,940.48, 1,921,410.72 and 334,303.00 is: 501,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,940.48 : 1,921,410.72 = 334,303.00 : x
  2. Step 2: Convert to fraction form
    1,280,940.48/1,921,410.72 = 334,303.00/x
  3. Step 3: Cross multiply
    1,280,940.48x = 1,921,410.72 × 334,303.00
  4. Step 4: Simplify right side
    1,280,940.48x = 642,333,363,124.63
  5. Step 5: Solve for x
    x = 642,333,363,124.63/1,280,940.48
  6. Step 6: Final answer
    x = 501,454.50

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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.