Home / 1,579,746.72-2,180,167.44-900,700.32

Finding the Fourth Proportional to 1,579,746.72, 2,180,167.44 and 900,700.32

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Solution

The fourth proportional to 1,579,746.72, 2,180,167.44 and 900,700.32 is: 1,243,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,746.72 : 2,180,167.44 = 900,700.32 : x
  2. Step 2: Convert to fraction form
    1,579,746.72/2,180,167.44 = 900,700.32/x
  3. Step 3: Cross multiply
    1,579,746.72x = 2,180,167.44 × 900,700.32
  4. Step 4: Simplify right side
    1,579,746.72x = 1,963,677,510,861.58
  5. Step 5: Solve for x
    x = 1,963,677,510,861.58/1,579,746.72
  6. Step 6: Final answer
    x = 1,243,033.13

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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.