Home / 1,007,619.70-1,510,117.35-408,090.10

Finding the Fourth Proportional to 1,007,619.70, 1,510,117.35 and 408,090.10

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Solution

The fourth proportional to 1,007,619.70, 1,510,117.35 and 408,090.10 is: 611,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,619.70 : 1,510,117.35 = 408,090.10 : x
  2. Step 2: Convert to fraction form
    1,007,619.70/1,510,117.35 = 408,090.10/x
  3. Step 3: Cross multiply
    1,007,619.70x = 1,510,117.35 × 408,090.10
  4. Step 4: Simplify right side
    1,007,619.70x = 616,263,940,373.24
  5. Step 5: Solve for x
    x = 616,263,940,373.24/1,007,619.70
  6. Step 6: Final answer
    x = 611,603.70

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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.