Home / 1,270,498.32-1,905,345.99-417,429.90

Finding the Fourth Proportional to 1,270,498.32, 1,905,345.99 and 417,429.90

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Solution

The fourth proportional to 1,270,498.32, 1,905,345.99 and 417,429.90 is: 626,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,498.32 : 1,905,345.99 = 417,429.90 : x
  2. Step 2: Convert to fraction form
    1,270,498.32/1,905,345.99 = 417,429.90/x
  3. Step 3: Cross multiply
    1,270,498.32x = 1,905,345.99 × 417,429.90
  4. Step 4: Simplify right side
    1,270,498.32x = 795,348,386,071.10
  5. Step 5: Solve for x
    x = 795,348,386,071.10/1,270,498.32
  6. Step 6: Final answer
    x = 626,012.94

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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.