Home / 1,011,386.71-1,517,301.63-380,300.52

Finding the Fourth Proportional to 1,011,386.71, 1,517,301.63 and 380,300.52

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Solution

The fourth proportional to 1,011,386.71, 1,517,301.63 and 380,300.52 is: 570,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,386.71 : 1,517,301.63 = 380,300.52 : x
  2. Step 2: Convert to fraction form
    1,011,386.71/1,517,301.63 = 380,300.52/x
  3. Step 3: Cross multiply
    1,011,386.71x = 1,517,301.63 × 380,300.52
  4. Step 4: Simplify right side
    1,011,386.71x = 577,030,598,885.85
  5. Step 5: Solve for x
    x = 577,030,598,885.85/1,011,386.71
  6. Step 6: Final answer
    x = 570,534.09

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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.