Home / 1,478,435.04-2,039,774.64-904,877.28

Finding the Fourth Proportional to 1,478,435.04, 2,039,774.64 and 904,877.28

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Solution

The fourth proportional to 1,478,435.04, 2,039,774.64 and 904,877.28 is: 1,248,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,435.04 : 2,039,774.64 = 904,877.28 : x
  2. Step 2: Convert to fraction form
    1,478,435.04/2,039,774.64 = 904,877.28/x
  3. Step 3: Cross multiply
    1,478,435.04x = 2,039,774.64 × 904,877.28
  4. Step 4: Simplify right side
    1,478,435.04x = 1,845,745,728,056.18
  5. Step 5: Solve for x
    x = 1,845,745,728,056.18/1,478,435.04
  6. Step 6: Final answer
    x = 1,248,445.61

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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.