Home / 1,069,337.60-1,604,006.40-663,430.40

Finding the Fourth Proportional to 1,069,337.60, 1,604,006.40 and 663,430.40

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Solution

The fourth proportional to 1,069,337.60, 1,604,006.40 and 663,430.40 is: 995,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,337.60 : 1,604,006.40 = 663,430.40 : x
  2. Step 2: Convert to fraction form
    1,069,337.60/1,604,006.40 = 663,430.40/x
  3. Step 3: Cross multiply
    1,069,337.60x = 1,604,006.40 × 663,430.40
  4. Step 4: Simplify right side
    1,069,337.60x = 1,064,146,607,554.56
  5. Step 5: Solve for x
    x = 1,064,146,607,554.56/1,069,337.60
  6. Step 6: Final answer
    x = 995,145.60

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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.