Home / 1,565,320.80-2,349,536.40-767,503.20

Finding the Fourth Proportional to 1,565,320.80, 2,349,536.40 and 767,503.20

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Solution

The fourth proportional to 1,565,320.80, 2,349,536.40 and 767,503.20 is: 1,152,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,320.80 : 2,349,536.40 = 767,503.20 : x
  2. Step 2: Convert to fraction form
    1,565,320.80/2,349,536.40 = 767,503.20/x
  3. Step 3: Cross multiply
    1,565,320.80x = 2,349,536.40 × 767,503.20
  4. Step 4: Simplify right side
    1,565,320.80x = 1,803,276,705,516.48
  5. Step 5: Solve for x
    x = 1,803,276,705,516.48/1,565,320.80
  6. Step 6: Final answer
    x = 1,152,017.34

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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.