Home / 1,225,430.10-1,838,145.15-910,502.10

Finding the Fourth Proportional to 1,225,430.10, 1,838,145.15 and 910,502.10

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Solution

The fourth proportional to 1,225,430.10, 1,838,145.15 and 910,502.10 is: 1,365,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,430.10 : 1,838,145.15 = 910,502.10 : x
  2. Step 2: Convert to fraction form
    1,225,430.10/1,838,145.15 = 910,502.10/x
  3. Step 3: Cross multiply
    1,225,430.10x = 1,838,145.15 × 910,502.10
  4. Step 4: Simplify right side
    1,225,430.10x = 1,673,635,019,179.82
  5. Step 5: Solve for x
    x = 1,673,635,019,179.82/1,225,430.10
  6. Step 6: Final answer
    x = 1,365,753.15

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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.