Home / 991,674.60-1,488,894.30-618,426.60

Finding the Fourth Proportional to 991,674.60, 1,488,894.30 and 618,426.60

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Solution

The fourth proportional to 991,674.60, 1,488,894.30 and 618,426.60 is: 928,501.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,674.60 : 1,488,894.30 = 618,426.60 : x
  2. Step 2: Convert to fraction form
    991,674.60/1,488,894.30 = 618,426.60/x
  3. Step 3: Cross multiply
    991,674.60x = 1,488,894.30 × 618,426.60
  4. Step 4: Simplify right side
    991,674.60x = 920,771,839,708.38
  5. Step 5: Solve for x
    x = 920,771,839,708.38/991,674.60
  6. Step 6: Final answer
    x = 928,501.99

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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.