Home / 1,030,409.28-1,545,595.48-423,065.72

Finding the Fourth Proportional to 1,030,409.28, 1,545,595.48 and 423,065.72

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Solution

The fourth proportional to 1,030,409.28, 1,545,595.48 and 423,065.72 is: 634,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,409.28 : 1,545,595.48 = 423,065.72 : x
  2. Step 2: Convert to fraction form
    1,030,409.28/1,545,595.48 = 423,065.72/x
  3. Step 3: Cross multiply
    1,030,409.28x = 1,545,595.48 × 423,065.72
  4. Step 4: Simplify right side
    1,030,409.28x = 653,888,464,574.95
  5. Step 5: Solve for x
    x = 653,888,464,574.95/1,030,409.28
  6. Step 6: Final answer
    x = 634,591.01

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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.