Home / 1,465,428.63-2,021,281.52-1,030,767.87

Finding the Fourth Proportional to 1,465,428.63, 2,021,281.52 and 1,030,767.87

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Solution

The fourth proportional to 1,465,428.63, 2,021,281.52 and 1,030,767.87 is: 1,421,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,428.63 : 2,021,281.52 = 1,030,767.87 : x
  2. Step 2: Convert to fraction form
    1,465,428.63/2,021,281.52 = 1,030,767.87/x
  3. Step 3: Cross multiply
    1,465,428.63x = 2,021,281.52 × 1,030,767.87
  4. Step 4: Simplify right side
    1,465,428.63x = 2,083,472,041,886.92
  5. Step 5: Solve for x
    x = 2,083,472,041,886.92/1,465,428.63
  6. Step 6: Final answer
    x = 1,421,749.24

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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.