Home / 1,159,281.60-1,739,008.80-411,230.40

Finding the Fourth Proportional to 1,159,281.60, 1,739,008.80 and 411,230.40

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Solution

The fourth proportional to 1,159,281.60, 1,739,008.80 and 411,230.40 is: 616,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,281.60 : 1,739,008.80 = 411,230.40 : x
  2. Step 2: Convert to fraction form
    1,159,281.60/1,739,008.80 = 411,230.40/x
  3. Step 3: Cross multiply
    1,159,281.60x = 1,739,008.80 × 411,230.40
  4. Step 4: Simplify right side
    1,159,281.60x = 715,133,284,427.52
  5. Step 5: Solve for x
    x = 715,133,284,427.52/1,159,281.60
  6. Step 6: Final answer
    x = 616,876.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.