Home / 1,878,270.80-2,592,015-1,018,828.40

Finding the Fourth Proportional to 1,878,270.80, 2,592,015 and 1,018,828.40

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Solution

The fourth proportional to 1,878,270.80, 2,592,015 and 1,018,828.40 is: 1,405,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,270.80 : 2,592,015 = 1,018,828.40 : x
  2. Step 2: Convert to fraction form
    1,878,270.80/2,592,015 = 1,018,828.40/x
  3. Step 3: Cross multiply
    1,878,270.80x = 2,592,015 × 1,018,828.40
  4. Step 4: Simplify right side
    1,878,270.80x = 2,640,818,495,226
  5. Step 5: Solve for x
    x = 2,640,818,495,226/1,878,270.80
  6. Step 6: Final answer
    x = 1,405,983.89

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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.