Home / 1,072,000.40-1,604,501.40-834,054.80

Finding the Fourth Proportional to 1,072,000.40, 1,604,501.40 and 834,054.80

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Solution

The fourth proportional to 1,072,000.40, 1,604,501.40 and 834,054.80 is: 1,248,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,000.40 : 1,604,501.40 = 834,054.80 : x
  2. Step 2: Convert to fraction form
    1,072,000.40/1,604,501.40 = 834,054.80/x
  3. Step 3: Cross multiply
    1,072,000.40x = 1,604,501.40 × 834,054.80
  4. Step 4: Simplify right side
    1,072,000.40x = 1,338,242,094,276.72
  5. Step 5: Solve for x
    x = 1,338,242,094,276.72/1,072,000.40
  6. Step 6: Final answer
    x = 1,248,359.70

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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.