Home / 1,213,805.60-1,820,951.40-360,875.60

Finding the Fourth Proportional to 1,213,805.60, 1,820,951.40 and 360,875.60

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Solution

The fourth proportional to 1,213,805.60, 1,820,951.40 and 360,875.60 is: 541,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,805.60 : 1,820,951.40 = 360,875.60 : x
  2. Step 2: Convert to fraction form
    1,213,805.60/1,820,951.40 = 360,875.60/x
  3. Step 3: Cross multiply
    1,213,805.60x = 1,820,951.40 × 360,875.60
  4. Step 4: Simplify right side
    1,213,805.60x = 657,136,929,045.84
  5. Step 5: Solve for x
    x = 657,136,929,045.84/1,213,805.60
  6. Step 6: Final answer
    x = 541,385.65

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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.