Home / 910,389.90-1,276,412.10-910,389.90

Finding the Fourth Proportional to 910,389.90, 1,276,412.10 and 910,389.90

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Solution

The fourth proportional to 910,389.90, 1,276,412.10 and 910,389.90 is: 1,276,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,389.90 : 1,276,412.10 = 910,389.90 : x
  2. Step 2: Convert to fraction form
    910,389.90/1,276,412.10 = 910,389.90/x
  3. Step 3: Cross multiply
    910,389.90x = 1,276,412.10 × 910,389.90
  4. Step 4: Simplify right side
    910,389.90x = 1,162,032,684,077.79
  5. Step 5: Solve for x
    x = 1,162,032,684,077.79/910,389.90
  6. Step 6: Final answer
    x = 1,276,412.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.