Home / 1,045,275.88-1,567,908.06-380,427.88

Finding the Fourth Proportional to 1,045,275.88, 1,567,908.06 and 380,427.88

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Solution

The fourth proportional to 1,045,275.88, 1,567,908.06 and 380,427.88 is: 570,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,275.88 : 1,567,908.06 = 380,427.88 : x
  2. Step 2: Convert to fraction form
    1,045,275.88/1,567,908.06 = 380,427.88/x
  3. Step 3: Cross multiply
    1,045,275.88x = 1,567,908.06 × 380,427.88
  4. Step 4: Simplify right side
    1,045,275.88x = 596,475,939,300.71
  5. Step 5: Solve for x
    x = 596,475,939,300.71/1,045,275.88
  6. Step 6: Final answer
    x = 570,639.72

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Double scale
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1.5x scale

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.