Home / 1,521,898.64-2,282,946.39-510,979.76

Finding the Fourth Proportional to 1,521,898.64, 2,282,946.39 and 510,979.76

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Solution

The fourth proportional to 1,521,898.64, 2,282,946.39 and 510,979.76 is: 766,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,898.64 : 2,282,946.39 = 510,979.76 : x
  2. Step 2: Convert to fraction form
    1,521,898.64/2,282,946.39 = 510,979.76/x
  3. Step 3: Cross multiply
    1,521,898.64x = 2,282,946.39 × 510,979.76
  4. Step 4: Simplify right side
    1,521,898.64x = 1,166,539,398,455.07
  5. Step 5: Solve for x
    x = 1,166,539,398,455.07/1,521,898.64
  6. Step 6: Final answer
    x = 766,502.69

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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.