Home / 1,005,292.96-1,507,938.48-257,337.76

Finding the Fourth Proportional to 1,005,292.96, 1,507,938.48 and 257,337.76

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Solution

The fourth proportional to 1,005,292.96, 1,507,938.48 and 257,337.76 is: 386,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,292.96 : 1,507,938.48 = 257,337.76 : x
  2. Step 2: Convert to fraction form
    1,005,292.96/1,507,938.48 = 257,337.76/x
  3. Step 3: Cross multiply
    1,005,292.96x = 1,507,938.48 × 257,337.76
  4. Step 4: Simplify right side
    1,005,292.96x = 388,049,510,661.01
  5. Step 5: Solve for x
    x = 388,049,510,661.01/1,005,292.96
  6. Step 6: Final answer
    x = 386,006.39

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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.