Home / 1,119,945.95-1,679,925.62-278,497.70

Finding the Fourth Proportional to 1,119,945.95, 1,679,925.62 and 278,497.70

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Solution

The fourth proportional to 1,119,945.95, 1,679,925.62 and 278,497.70 is: 417,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,945.95 : 1,679,925.62 = 278,497.70 : x
  2. Step 2: Convert to fraction form
    1,119,945.95/1,679,925.62 = 278,497.70/x
  3. Step 3: Cross multiply
    1,119,945.95x = 1,679,925.62 × 278,497.70
  4. Step 4: Simplify right side
    1,119,945.95x = 467,855,421,341.07
  5. Step 5: Solve for x
    x = 467,855,421,341.07/1,119,945.95
  6. Step 6: Final answer
    x = 417,748.21

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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.