Home / 1,105,281.10-1,657,921.65-825,345.10

Finding the Fourth Proportional to 1,105,281.10, 1,657,921.65 and 825,345.10

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Solution

The fourth proportional to 1,105,281.10, 1,657,921.65 and 825,345.10 is: 1,238,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,281.10 : 1,657,921.65 = 825,345.10 : x
  2. Step 2: Convert to fraction form
    1,105,281.10/1,657,921.65 = 825,345.10/x
  3. Step 3: Cross multiply
    1,105,281.10x = 1,657,921.65 × 825,345.10
  4. Step 4: Simplify right side
    1,105,281.10x = 1,368,357,510,011.41
  5. Step 5: Solve for x
    x = 1,368,357,510,011.41/1,105,281.10
  6. Step 6: Final answer
    x = 1,238,017.65

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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.