Home / 1,216,509.24-1,678,710.63-672,602.34

Finding the Fourth Proportional to 1,216,509.24, 1,678,710.63 and 672,602.34

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Solution

The fourth proportional to 1,216,509.24, 1,678,710.63 and 672,602.34 is: 928,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,509.24 : 1,678,710.63 = 672,602.34 : x
  2. Step 2: Convert to fraction form
    1,216,509.24/1,678,710.63 = 672,602.34/x
  3. Step 3: Cross multiply
    1,216,509.24x = 1,678,710.63 × 672,602.34
  4. Step 4: Simplify right side
    1,216,509.24x = 1,129,104,697,920.87
  5. Step 5: Solve for x
    x = 1,129,104,697,920.87/1,216,509.24
  6. Step 6: Final answer
    x = 928,151.35

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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.