Home / 1,417,938.32-2,121,911.40-885,710

Finding the Fourth Proportional to 1,417,938.32, 2,121,911.40 and 885,710

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Solution

The fourth proportional to 1,417,938.32, 2,121,911.40 and 885,710 is: 1,325,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,938.32 : 2,121,911.40 = 885,710 : x
  2. Step 2: Convert to fraction form
    1,417,938.32/2,121,911.40 = 885,710/x
  3. Step 3: Cross multiply
    1,417,938.32x = 2,121,911.40 × 885,710
  4. Step 4: Simplify right side
    1,417,938.32x = 1,879,398,146,094
  5. Step 5: Solve for x
    x = 1,879,398,146,094/1,417,938.32
  6. Step 6: Final answer
    x = 1,325,444.22

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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.