Home / 1,152,330.48-1,590,897.24-830,870.64

Finding the Fourth Proportional to 1,152,330.48, 1,590,897.24 and 830,870.64

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Solution

The fourth proportional to 1,152,330.48, 1,590,897.24 and 830,870.64 is: 1,147,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,330.48 : 1,590,897.24 = 830,870.64 : x
  2. Step 2: Convert to fraction form
    1,152,330.48/1,590,897.24 = 830,870.64/x
  3. Step 3: Cross multiply
    1,152,330.48x = 1,590,897.24 × 830,870.64
  4. Step 4: Simplify right side
    1,152,330.48x = 1,321,829,807,973.03
  5. Step 5: Solve for x
    x = 1,321,829,807,973.03/1,152,330.48
  6. Step 6: Final answer
    x = 1,147,092.64

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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.