Home / 1,908,478.40-2,862,715.80-488,532.20

Finding the Fourth Proportional to 1,908,478.40, 2,862,715.80 and 488,532.20

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Solution

The fourth proportional to 1,908,478.40, 2,862,715.80 and 488,532.20 is: 732,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,478.40 : 2,862,715.80 = 488,532.20 : x
  2. Step 2: Convert to fraction form
    1,908,478.40/2,862,715.80 = 488,532.20/x
  3. Step 3: Cross multiply
    1,908,478.40x = 2,862,715.80 × 488,532.20
  4. Step 4: Simplify right side
    1,908,478.40x = 1,398,528,847,748.76
  5. Step 5: Solve for x
    x = 1,398,528,847,748.76/1,908,478.40
  6. Step 6: Final answer
    x = 732,797.84

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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.