Home / 1,119,108.12-1,679,313.51-470,637.72

Finding the Fourth Proportional to 1,119,108.12, 1,679,313.51 and 470,637.72

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Solution

The fourth proportional to 1,119,108.12, 1,679,313.51 and 470,637.72 is: 706,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,108.12 : 1,679,313.51 = 470,637.72 : x
  2. Step 2: Convert to fraction form
    1,119,108.12/1,679,313.51 = 470,637.72/x
  3. Step 3: Cross multiply
    1,119,108.12x = 1,679,313.51 × 470,637.72
  4. Step 4: Simplify right side
    1,119,108.12x = 790,348,281,511.60
  5. Step 5: Solve for x
    x = 790,348,281,511.60/1,119,108.12
  6. Step 6: Final answer
    x = 706,230.49

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1.5x scale

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.