Home / 1,030,459.42-1,545,693.06-431,000.08

Finding the Fourth Proportional to 1,030,459.42, 1,545,693.06 and 431,000.08

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Solution

The fourth proportional to 1,030,459.42, 1,545,693.06 and 431,000.08 is: 646,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,459.42 : 1,545,693.06 = 431,000.08 : x
  2. Step 2: Convert to fraction form
    1,030,459.42/1,545,693.06 = 431,000.08/x
  3. Step 3: Cross multiply
    1,030,459.42x = 1,545,693.06 × 431,000.08
  4. Step 4: Simplify right side
    1,030,459.42x = 666,193,832,515.45
  5. Step 5: Solve for x
    x = 666,193,832,515.45/1,030,459.42
  6. Step 6: Final answer
    x = 646,501.76

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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.