Home / 1,354,444.32-1,869,323.70-838,363.86

Finding the Fourth Proportional to 1,354,444.32, 1,869,323.70 and 838,363.86

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Solution

The fourth proportional to 1,354,444.32, 1,869,323.70 and 838,363.86 is: 1,157,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,444.32 : 1,869,323.70 = 838,363.86 : x
  2. Step 2: Convert to fraction form
    1,354,444.32/1,869,323.70 = 838,363.86/x
  3. Step 3: Cross multiply
    1,354,444.32x = 1,869,323.70 × 838,363.86
  4. Step 4: Simplify right side
    1,354,444.32x = 1,567,173,432,721.48
  5. Step 5: Solve for x
    x = 1,567,173,432,721.48/1,354,444.32
  6. Step 6: Final answer
    x = 1,157,060.06

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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.