Home / 1,011,271.52-1,516,320.36-478,788.08

Finding the Fourth Proportional to 1,011,271.52, 1,516,320.36 and 478,788.08

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Solution

The fourth proportional to 1,011,271.52, 1,516,320.36 and 478,788.08 is: 717,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,271.52 : 1,516,320.36 = 478,788.08 : x
  2. Step 2: Convert to fraction form
    1,011,271.52/1,516,320.36 = 478,788.08/x
  3. Step 3: Cross multiply
    1,011,271.52x = 1,516,320.36 × 478,788.08
  4. Step 4: Simplify right side
    1,011,271.52x = 725,996,113,829.31
  5. Step 5: Solve for x
    x = 725,996,113,829.31/1,011,271.52
  6. Step 6: Final answer
    x = 717,904.24

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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.