Home / 1,054,342.40-1,581,206.40-380,345.60

Finding the Fourth Proportional to 1,054,342.40, 1,581,206.40 and 380,345.60

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Solution

The fourth proportional to 1,054,342.40, 1,581,206.40 and 380,345.60 is: 570,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,342.40 : 1,581,206.40 = 380,345.60 : x
  2. Step 2: Convert to fraction form
    1,054,342.40/1,581,206.40 = 380,345.60/x
  3. Step 3: Cross multiply
    1,054,342.40x = 1,581,206.40 × 380,345.60
  4. Step 4: Simplify right side
    1,054,342.40x = 601,404,896,931.84
  5. Step 5: Solve for x
    x = 601,404,896,931.84/1,054,342.40
  6. Step 6: Final answer
    x = 570,407.58

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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.