Home / 1,205,038.79-1,807,550.37-306,472.76

Finding the Fourth Proportional to 1,205,038.79, 1,807,550.37 and 306,472.76

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Solution

The fourth proportional to 1,205,038.79, 1,807,550.37 and 306,472.76 is: 459,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,038.79 : 1,807,550.37 = 306,472.76 : x
  2. Step 2: Convert to fraction form
    1,205,038.79/1,807,550.37 = 306,472.76/x
  3. Step 3: Cross multiply
    1,205,038.79x = 1,807,550.37 × 306,472.76
  4. Step 4: Simplify right side
    1,205,038.79x = 553,964,950,732.92
  5. Step 5: Solve for x
    x = 553,964,950,732.92/1,205,038.79
  6. Step 6: Final answer
    x = 459,707.15

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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.