Home / 1,078,279.70-1,617,419.55-973,303.70

Finding the Fourth Proportional to 1,078,279.70, 1,617,419.55 and 973,303.70

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Solution

The fourth proportional to 1,078,279.70, 1,617,419.55 and 973,303.70 is: 1,459,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,279.70 : 1,617,419.55 = 973,303.70 : x
  2. Step 2: Convert to fraction form
    1,078,279.70/1,617,419.55 = 973,303.70/x
  3. Step 3: Cross multiply
    1,078,279.70x = 1,617,419.55 × 973,303.70
  4. Step 4: Simplify right side
    1,078,279.70x = 1,574,240,432,467.34
  5. Step 5: Solve for x
    x = 1,574,240,432,467.34/1,078,279.70
  6. Step 6: Final answer
    x = 1,459,955.55

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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.