Home / 1,078,177.95-1,488,363.80-696,390.93

Finding the Fourth Proportional to 1,078,177.95, 1,488,363.80 and 696,390.93

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Solution

The fourth proportional to 1,078,177.95, 1,488,363.80 and 696,390.93 is: 961,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,177.95 : 1,488,363.80 = 696,390.93 : x
  2. Step 2: Convert to fraction form
    1,078,177.95/1,488,363.80 = 696,390.93/x
  3. Step 3: Cross multiply
    1,078,177.95x = 1,488,363.80 × 696,390.93
  4. Step 4: Simplify right side
    1,078,177.95x = 1,036,483,047,378.38
  5. Step 5: Solve for x
    x = 1,036,483,047,378.38/1,078,177.95
  6. Step 6: Final answer
    x = 961,328.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.