Home / 1,050,721.60-1,576,276.80-340,772.80

Finding the Fourth Proportional to 1,050,721.60, 1,576,276.80 and 340,772.80

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Solution

The fourth proportional to 1,050,721.60, 1,576,276.80 and 340,772.80 is: 511,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,721.60 : 1,576,276.80 = 340,772.80 : x
  2. Step 2: Convert to fraction form
    1,050,721.60/1,576,276.80 = 340,772.80/x
  3. Step 3: Cross multiply
    1,050,721.60x = 1,576,276.80 × 340,772.80
  4. Step 4: Simplify right side
    1,050,721.60x = 537,152,258,711.04
  5. Step 5: Solve for x
    x = 537,152,258,711.04/1,050,721.60
  6. Step 6: Final answer
    x = 511,222.25

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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.