Home / 1,050,243.60-1,575,802.80-340,489.20

Finding the Fourth Proportional to 1,050,243.60, 1,575,802.80 and 340,489.20

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Solution

The fourth proportional to 1,050,243.60, 1,575,802.80 and 340,489.20 is: 510,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,243.60 : 1,575,802.80 = 340,489.20 : x
  2. Step 2: Convert to fraction form
    1,050,243.60/1,575,802.80 = 340,489.20/x
  3. Step 3: Cross multiply
    1,050,243.60x = 1,575,802.80 × 340,489.20
  4. Step 4: Simplify right side
    1,050,243.60x = 536,543,834,729.76
  5. Step 5: Solve for x
    x = 536,543,834,729.76/1,050,243.60
  6. Step 6: Final answer
    x = 510,875.61

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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.