Home / 1,355,688.80-2,033,533.20-514,131.20

Finding the Fourth Proportional to 1,355,688.80, 2,033,533.20 and 514,131.20

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Solution

The fourth proportional to 1,355,688.80, 2,033,533.20 and 514,131.20 is: 771,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,688.80 : 2,033,533.20 = 514,131.20 : x
  2. Step 2: Convert to fraction form
    1,355,688.80/2,033,533.20 = 514,131.20/x
  3. Step 3: Cross multiply
    1,355,688.80x = 2,033,533.20 × 514,131.20
  4. Step 4: Simplify right side
    1,355,688.80x = 1,045,502,864,355.84
  5. Step 5: Solve for x
    x = 1,045,502,864,355.84/1,355,688.80
  6. Step 6: Final answer
    x = 771,196.80

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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.