Home / 1,155,327.25-1,594,228.95-638,999.10

Finding the Fourth Proportional to 1,155,327.25, 1,594,228.95 and 638,999.10

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Solution

The fourth proportional to 1,155,327.25, 1,594,228.95 and 638,999.10 is: 881,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,327.25 : 1,594,228.95 = 638,999.10 : x
  2. Step 2: Convert to fraction form
    1,155,327.25/1,594,228.95 = 638,999.10/x
  3. Step 3: Cross multiply
    1,155,327.25x = 1,594,228.95 × 638,999.10
  4. Step 4: Simplify right side
    1,155,327.25x = 1,018,710,864,243.95
  5. Step 5: Solve for x
    x = 1,018,710,864,243.95/1,155,327.25
  6. Step 6: Final answer
    x = 881,750.92

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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.