Home / 1,420,059.65-2,130,108.30-473,430.69

Finding the Fourth Proportional to 1,420,059.65, 2,130,108.30 and 473,430.69

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Solution

The fourth proportional to 1,420,059.65, 2,130,108.30 and 473,430.69 is: 710,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,059.65 : 2,130,108.30 = 473,430.69 : x
  2. Step 2: Convert to fraction form
    1,420,059.65/2,130,108.30 = 473,430.69/x
  3. Step 3: Cross multiply
    1,420,059.65x = 2,130,108.30 × 473,430.69
  4. Step 4: Simplify right side
    1,420,059.65x = 1,008,458,642,243.73
  5. Step 5: Solve for x
    x = 1,008,458,642,243.73/1,420,059.65
  6. Step 6: Final answer
    x = 710,152.31

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Double scale
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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.