Home / 1,007,285.10-1,510,927.65-342,437.10

Finding the Fourth Proportional to 1,007,285.10, 1,510,927.65 and 342,437.10

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Solution

The fourth proportional to 1,007,285.10, 1,510,927.65 and 342,437.10 is: 513,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,285.10 : 1,510,927.65 = 342,437.10 : x
  2. Step 2: Convert to fraction form
    1,007,285.10/1,510,927.65 = 342,437.10/x
  3. Step 3: Cross multiply
    1,007,285.10x = 1,510,927.65 × 342,437.10
  4. Step 4: Simplify right side
    1,007,285.10x = 517,397,682,775.82
  5. Step 5: Solve for x
    x = 517,397,682,775.82/1,007,285.10
  6. Step 6: Final answer
    x = 513,655.65

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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.