Home / 1,054,393.67-1,455,060.63-570,958.78

Finding the Fourth Proportional to 1,054,393.67, 1,455,060.63 and 570,958.78

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Solution

The fourth proportional to 1,054,393.67, 1,455,060.63 and 570,958.78 is: 787,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,393.67 : 1,455,060.63 = 570,958.78 : x
  2. Step 2: Convert to fraction form
    1,054,393.67/1,455,060.63 = 570,958.78/x
  3. Step 3: Cross multiply
    1,054,393.67x = 1,455,060.63 × 570,958.78
  4. Step 4: Simplify right side
    1,054,393.67x = 830,779,642,130.83
  5. Step 5: Solve for x
    x = 830,779,642,130.83/1,054,393.67
  6. Step 6: Final answer
    x = 787,921.69

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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.