Home / 1,357,000.80-2,035,501.20-878,703.90

Finding the Fourth Proportional to 1,357,000.80, 2,035,501.20 and 878,703.90

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Solution

The fourth proportional to 1,357,000.80, 2,035,501.20 and 878,703.90 is: 1,318,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,000.80 : 2,035,501.20 = 878,703.90 : x
  2. Step 2: Convert to fraction form
    1,357,000.80/2,035,501.20 = 878,703.90/x
  3. Step 3: Cross multiply
    1,357,000.80x = 2,035,501.20 × 878,703.90
  4. Step 4: Simplify right side
    1,357,000.80x = 1,788,602,842,894.68
  5. Step 5: Solve for x
    x = 1,788,602,842,894.68/1,357,000.80
  6. Step 6: Final answer
    x = 1,318,055.85

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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.