Home / 1,054,390.67-1,455,056.49-570,955.78

Finding the Fourth Proportional to 1,054,390.67, 1,455,056.49 and 570,955.78

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Solution

The fourth proportional to 1,054,390.67, 1,455,056.49 and 570,955.78 is: 787,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,390.67 : 1,455,056.49 = 570,955.78 : x
  2. Step 2: Convert to fraction form
    1,054,390.67/1,455,056.49 = 570,955.78/x
  3. Step 3: Cross multiply
    1,054,390.67x = 1,455,056.49 × 570,955.78
  4. Step 4: Simplify right side
    1,054,390.67x = 830,772,913,192.01
  5. Step 5: Solve for x
    x = 830,772,913,192.01/1,054,390.67
  6. Step 6: Final answer
    x = 787,917.55

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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.