Home / 1,216,908-1,679,267.10-673,012.04

Finding the Fourth Proportional to 1,216,908, 1,679,267.10 and 673,012.04

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Solution

The fourth proportional to 1,216,908, 1,679,267.10 and 673,012.04 is: 928,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,908 : 1,679,267.10 = 673,012.04 : x
  2. Step 2: Convert to fraction form
    1,216,908/1,679,267.10 = 673,012.04/x
  3. Step 3: Cross multiply
    1,216,908x = 1,679,267.10 × 673,012.04
  4. Step 4: Simplify right side
    1,216,908x = 1,130,166,968,279.55
  5. Step 5: Solve for x
    x = 1,130,166,968,279.55/1,216,908
  6. Step 6: Final answer
    x = 928,720.14

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1.5x scale

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.