Home / 1,509,355.80-2,258,128.80-977,914.80

Finding the Fourth Proportional to 1,509,355.80, 2,258,128.80 and 977,914.80

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Solution

The fourth proportional to 1,509,355.80, 2,258,128.80 and 977,914.80 is: 1,463,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,355.80 : 2,258,128.80 = 977,914.80 : x
  2. Step 2: Convert to fraction form
    1,509,355.80/2,258,128.80 = 977,914.80/x
  3. Step 3: Cross multiply
    1,509,355.80x = 2,258,128.80 × 977,914.80
  4. Step 4: Simplify right side
    1,509,355.80x = 2,208,257,573,826.24
  5. Step 5: Solve for x
    x = 2,208,257,573,826.24/1,509,355.80
  6. Step 6: Final answer
    x = 1,463,046.40

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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.